20201656800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{647489}}^1$

素因数の和:647525

約数の個数: 144

約数和(自身を含む): 70814686320

約数和(自身を除く): 50613029520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 96, 100, 104, 120, 130, 150, 156, 160, 195, 200, 208, 240, 260, 300, 312, 325, 390, 400, 416, 480, 520, 600, 624, 650, 780, 800, 975, 1040, 1200, 1248, 1300, 1560, 1950, 2080, 2400, 2600, 3120, 3900, 5200, 6240, 7800, 10400, 15600, 31200, 647489, 1294978, 1942467, 2589956, 3237445, 3884934, 5179912, 6474890, 7769868, 8417357, 9712335, 10359824, 12949780, 15539736, 16187225, 16834714, 19424670, 20719648, 25252071, 25899560, 31079472, 32374450, 33669428, 38849340, 42086785, 48561675, 50504142, 51799120, 62158944, 64748900, 67338856, 77698680, 84173570, 97123350, 101008284, 103598240, 126260355, 129497800, 134677712, 155397360, 168347140, 194246700, 202016568, 210433925, 252520710, 258995600, 269355424, 310794720, 336694280, 388493400, 404033136, 420867850, 505041420, 517991200, 631301775, 673388560, 776986800, 808066272, 841735700, 1010082840, 1262603550, 1346777120, 1553973600, 1683471400, 2020165680, 2525207100, 3366942800, 4040331360, 5050414200, 6733885600, 10100828400, 20201656800]

約数ペア:

[(1, 20201656800), (2, 10100828400), (3, 6733885600), (4, 5050414200), (5, 4040331360), (6, 3366942800), (8, 2525207100), (10, 2020165680), (12, 1683471400), (13, 1553973600), (15, 1346777120), (16, 1262603550), (20, 1010082840), (24, 841735700), (25, 808066272), (26, 776986800), (30, 673388560), (32, 631301775), (39, 517991200), (40, 505041420), (48, 420867850), (50, 404033136), (52, 388493400), (60, 336694280), (65, 310794720), (75, 269355424), (78, 258995600), (80, 252520710), (96, 210433925), (100, 202016568), (104, 194246700), (120, 168347140), (130, 155397360), (150, 134677712), (156, 129497800), (160, 126260355), (195, 103598240), (200, 101008284), (208, 97123350), (240, 84173570), (260, 77698680), (300, 67338856), (312, 64748900), (325, 62158944), (390, 51799120), (400, 50504142), (416, 48561675), (480, 42086785), (520, 38849340), (600, 33669428), (624, 32374450), (650, 31079472), (780, 25899560), (800, 25252071), (975, 20719648), (1040, 19424670), (1200, 16834714), (1248, 16187225), (1300, 15539736), (1560, 12949780), (1950, 10359824), (2080, 9712335), (2400, 8417357), (2600, 7769868), (3120, 6474890), (3900, 5179912), (5200, 3884934), (6240, 3237445), (7800, 2589956), (10400, 1942467), (15600, 1294978), (31200, 647489)]