20679300

素因数分解:

$2^2\times 3^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:89

約数の個数: 216

約数和(自身を含む): 72037056

約数和(自身を除く): 51357756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 25, 27, 30, 36, 37, 45, 46, 50, 54, 60, 69, 74, 75, 81, 90, 92, 100, 108, 111, 115, 135, 138, 148, 150, 162, 180, 185, 207, 222, 225, 230, 243, 270, 276, 300, 324, 333, 345, 370, 405, 414, 444, 450, 460, 486, 540, 555, 575, 621, 666, 675, 690, 740, 810, 828, 851, 900, 925, 972, 999, 1035, 1110, 1150, 1215, 1242, 1332, 1350, 1380, 1620, 1665, 1702, 1725, 1850, 1863, 1998, 2025, 2070, 2220, 2300, 2430, 2484, 2553, 2700, 2775, 2997, 3105, 3330, 3404, 3450, 3700, 3726, 3996, 4050, 4140, 4255, 4860, 4995, 5106, 5175, 5550, 5589, 5994, 6075, 6210, 6660, 6900, 7452, 7659, 8100, 8325, 8510, 8991, 9315, 9990, 10212, 10350, 11100, 11178, 11988, 12150, 12420, 12765, 14985, 15318, 15525, 16650, 17020, 17982, 18630, 19980, 20700, 21275, 22356, 22977, 24300, 24975, 25530, 27945, 29970, 30636, 31050, 33300, 35964, 37260, 38295, 42550, 44955, 45954, 46575, 49950, 51060, 55890, 59940, 62100, 63825, 68931, 74925, 76590, 85100, 89910, 91908, 93150, 99900, 111780, 114885, 127650, 137862, 139725, 149850, 153180, 179820, 186300, 191475, 206793, 224775, 229770, 255300, 275724, 279450, 299700, 344655, 382950, 413586, 449550, 459540, 558900, 574425, 689310, 765900, 827172, 899100, 1033965, 1148850, 1378620, 1723275, 2067930, 2297700, 3446550, 4135860, 5169825, 6893100, 10339650, 20679300]

約数ペア:

[(1, 20679300), (2, 10339650), (3, 6893100), (4, 5169825), (5, 4135860), (6, 3446550), (9, 2297700), (10, 2067930), (12, 1723275), (15, 1378620), (18, 1148850), (20, 1033965), (23, 899100), (25, 827172), (27, 765900), (30, 689310), (36, 574425), (37, 558900), (45, 459540), (46, 449550), (50, 413586), (54, 382950), (60, 344655), (69, 299700), (74, 279450), (75, 275724), (81, 255300), (90, 229770), (92, 224775), (100, 206793), (108, 191475), (111, 186300), (115, 179820), (135, 153180), (138, 149850), (148, 139725), (150, 137862), (162, 127650), (180, 114885), (185, 111780), (207, 99900), (222, 93150), (225, 91908), (230, 89910), (243, 85100), (270, 76590), (276, 74925), (300, 68931), (324, 63825), (333, 62100), (345, 59940), (370, 55890), (405, 51060), (414, 49950), (444, 46575), (450, 45954), (460, 44955), (486, 42550), (540, 38295), (555, 37260), (575, 35964), (621, 33300), (666, 31050), (675, 30636), (690, 29970), (740, 27945), (810, 25530), (828, 24975), (851, 24300), (900, 22977), (925, 22356), (972, 21275), (999, 20700), (1035, 19980), (1110, 18630), (1150, 17982), (1215, 17020), (1242, 16650), (1332, 15525), (1350, 15318), (1380, 14985), (1620, 12765), (1665, 12420), (1702, 12150), (1725, 11988), (1850, 11178), (1863, 11100), (1998, 10350), (2025, 10212), (2070, 9990), (2220, 9315), (2300, 8991), (2430, 8510), (2484, 8325), (2553, 8100), (2700, 7659), (2775, 7452), (2997, 6900), (3105, 6660), (3330, 6210), (3404, 6075), (3450, 5994), (3700, 5589), (3726, 5550), (3996, 5175), (4050, 5106), (4140, 4995), (4255, 4860)]