20794800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:108

約数の個数: 240

約数和(自身を含む): 75772928

約数和(自身を除く): 54978128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 31, 39, 40, 43, 48, 50, 52, 60, 62, 65, 75, 78, 80, 86, 93, 100, 104, 120, 124, 129, 130, 150, 155, 156, 172, 186, 195, 200, 208, 215, 240, 248, 258, 260, 300, 310, 312, 325, 344, 372, 390, 400, 403, 430, 465, 496, 516, 520, 559, 600, 620, 624, 645, 650, 688, 744, 775, 780, 806, 860, 930, 975, 1032, 1040, 1075, 1118, 1200, 1209, 1240, 1290, 1300, 1333, 1488, 1550, 1560, 1612, 1677, 1720, 1860, 1950, 2015, 2064, 2150, 2236, 2325, 2418, 2480, 2580, 2600, 2666, 2795, 3100, 3120, 3224, 3225, 3354, 3440, 3720, 3900, 3999, 4030, 4300, 4472, 4650, 4836, 5160, 5200, 5332, 5590, 6045, 6200, 6448, 6450, 6665, 6708, 7440, 7800, 7998, 8060, 8385, 8600, 8944, 9300, 9672, 10075, 10320, 10664, 11180, 12090, 12400, 12900, 13330, 13416, 13975, 15600, 15996, 16120, 16770, 17200, 17329, 18600, 19344, 19995, 20150, 21328, 22360, 24180, 25800, 26660, 26832, 27950, 30225, 31992, 32240, 33325, 33540, 34658, 37200, 39990, 40300, 41925, 44720, 48360, 51600, 51987, 53320, 55900, 60450, 63984, 66650, 67080, 69316, 79980, 80600, 83850, 86645, 96720, 99975, 103974, 106640, 111800, 120900, 133300, 134160, 138632, 159960, 161200, 167700, 173290, 199950, 207948, 223600, 241800, 259935, 266600, 277264, 319920, 335400, 346580, 399900, 415896, 433225, 483600, 519870, 533200, 670800, 693160, 799800, 831792, 866450, 1039740, 1299675, 1386320, 1599600, 1732900, 2079480, 2599350, 3465800, 4158960, 5198700, 6931600, 10397400, 20794800]

約数ペア:

[(1, 20794800), (2, 10397400), (3, 6931600), (4, 5198700), (5, 4158960), (6, 3465800), (8, 2599350), (10, 2079480), (12, 1732900), (13, 1599600), (15, 1386320), (16, 1299675), (20, 1039740), (24, 866450), (25, 831792), (26, 799800), (30, 693160), (31, 670800), (39, 533200), (40, 519870), (43, 483600), (48, 433225), (50, 415896), (52, 399900), (60, 346580), (62, 335400), (65, 319920), (75, 277264), (78, 266600), (80, 259935), (86, 241800), (93, 223600), (100, 207948), (104, 199950), (120, 173290), (124, 167700), (129, 161200), (130, 159960), (150, 138632), (155, 134160), (156, 133300), (172, 120900), (186, 111800), (195, 106640), (200, 103974), (208, 99975), (215, 96720), (240, 86645), (248, 83850), (258, 80600), (260, 79980), (300, 69316), (310, 67080), (312, 66650), (325, 63984), (344, 60450), (372, 55900), (390, 53320), (400, 51987), (403, 51600), (430, 48360), (465, 44720), (496, 41925), (516, 40300), (520, 39990), (559, 37200), (600, 34658), (620, 33540), (624, 33325), (645, 32240), (650, 31992), (688, 30225), (744, 27950), (775, 26832), (780, 26660), (806, 25800), (860, 24180), (930, 22360), (975, 21328), (1032, 20150), (1040, 19995), (1075, 19344), (1118, 18600), (1200, 17329), (1209, 17200), (1240, 16770), (1290, 16120), (1300, 15996), (1333, 15600), (1488, 13975), (1550, 13416), (1560, 13330), (1612, 12900), (1677, 12400), (1720, 12090), (1860, 11180), (1950, 10664), (2015, 10320), (2064, 10075), (2150, 9672), (2236, 9300), (2325, 8944), (2418, 8600), (2480, 8385), (2580, 8060), (2600, 7998), (2666, 7800), (2795, 7440), (3100, 6708), (3120, 6665), (3224, 6450), (3225, 6448), (3354, 6200), (3440, 6045), (3720, 5590), (3900, 5332), (3999, 5200), (4030, 5160), (4300, 4836), (4472, 4650)]