20257200

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{331}}^1$

素因数の和:372

約数の個数: 180

約数和(自身を含む): 74658168

約数和(自身を除く): 54400968

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 25, 30, 34, 36, 40, 45, 48, 50, 51, 60, 68, 72, 75, 80, 85, 90, 100, 102, 120, 136, 144, 150, 153, 170, 180, 200, 204, 225, 240, 255, 272, 300, 306, 331, 340, 360, 400, 408, 425, 450, 510, 600, 612, 662, 680, 720, 765, 816, 850, 900, 993, 1020, 1200, 1224, 1275, 1324, 1360, 1530, 1655, 1700, 1800, 1986, 2040, 2448, 2550, 2648, 2979, 3060, 3310, 3400, 3600, 3825, 3972, 4080, 4965, 5100, 5296, 5627, 5958, 6120, 6620, 6800, 7650, 7944, 8275, 9930, 10200, 11254, 11916, 12240, 13240, 14895, 15300, 15888, 16550, 16881, 19860, 20400, 22508, 23832, 24825, 26480, 28135, 29790, 30600, 33100, 33762, 39720, 45016, 47664, 49650, 50643, 56270, 59580, 61200, 66200, 67524, 74475, 79440, 84405, 90032, 99300, 101286, 112540, 119160, 132400, 135048, 140675, 148950, 168810, 198600, 202572, 225080, 238320, 253215, 270096, 281350, 297900, 337620, 397200, 405144, 422025, 450160, 506430, 562700, 595800, 675240, 810288, 844050, 1012860, 1125400, 1191600, 1266075, 1350480, 1688100, 2025720, 2250800, 2532150, 3376200, 4051440, 5064300, 6752400, 10128600, 20257200]

約数ペア:

[(1, 20257200), (2, 10128600), (3, 6752400), (4, 5064300), (5, 4051440), (6, 3376200), (8, 2532150), (9, 2250800), (10, 2025720), (12, 1688100), (15, 1350480), (16, 1266075), (17, 1191600), (18, 1125400), (20, 1012860), (24, 844050), (25, 810288), (30, 675240), (34, 595800), (36, 562700), (40, 506430), (45, 450160), (48, 422025), (50, 405144), (51, 397200), (60, 337620), (68, 297900), (72, 281350), (75, 270096), (80, 253215), (85, 238320), (90, 225080), (100, 202572), (102, 198600), (120, 168810), (136, 148950), (144, 140675), (150, 135048), (153, 132400), (170, 119160), (180, 112540), (200, 101286), (204, 99300), (225, 90032), (240, 84405), (255, 79440), (272, 74475), (300, 67524), (306, 66200), (331, 61200), (340, 59580), (360, 56270), (400, 50643), (408, 49650), (425, 47664), (450, 45016), (510, 39720), (600, 33762), (612, 33100), (662, 30600), (680, 29790), (720, 28135), (765, 26480), (816, 24825), (850, 23832), (900, 22508), (993, 20400), (1020, 19860), (1200, 16881), (1224, 16550), (1275, 15888), (1324, 15300), (1360, 14895), (1530, 13240), (1655, 12240), (1700, 11916), (1800, 11254), (1986, 10200), (2040, 9930), (2448, 8275), (2550, 7944), (2648, 7650), (2979, 6800), (3060, 6620), (3310, 6120), (3400, 5958), (3600, 5627), (3825, 5296), (3972, 5100), (4080, 4965)]