20174943840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1355843}}^1$

素因数の和:1355892

約数の個数: 96

約数和(自身を含む): 65601156096

約数和(自身を除く): 45426212256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 160, 186, 240, 248, 310, 372, 465, 480, 496, 620, 744, 930, 992, 1240, 1488, 1860, 2480, 2976, 3720, 4960, 7440, 14880, 1355843, 2711686, 4067529, 5423372, 6779215, 8135058, 10846744, 13558430, 16270116, 20337645, 21693488, 27116860, 32540232, 40675290, 42031133, 43386976, 54233720, 65080464, 81350580, 84062266, 108467440, 126093399, 130160928, 162701160, 168124532, 210155665, 216934880, 252186798, 325402320, 336249064, 420311330, 504373596, 630466995, 650804640, 672498128, 840622660, 1008747192, 1260933990, 1344996256, 1681245320, 2017494384, 2521867980, 3362490640, 4034988768, 5043735960, 6724981280, 10087471920, 20174943840]

約数ペア:

[(1, 20174943840), (2, 10087471920), (3, 6724981280), (4, 5043735960), (5, 4034988768), (6, 3362490640), (8, 2521867980), (10, 2017494384), (12, 1681245320), (15, 1344996256), (16, 1260933990), (20, 1008747192), (24, 840622660), (30, 672498128), (31, 650804640), (32, 630466995), (40, 504373596), (48, 420311330), (60, 336249064), (62, 325402320), (80, 252186798), (93, 216934880), (96, 210155665), (120, 168124532), (124, 162701160), (155, 130160928), (160, 126093399), (186, 108467440), (240, 84062266), (248, 81350580), (310, 65080464), (372, 54233720), (465, 43386976), (480, 42031133), (496, 40675290), (620, 32540232), (744, 27116860), (930, 21693488), (992, 20337645), (1240, 16270116), (1488, 13558430), (1860, 10846744), (2480, 8135058), (2976, 6779215), (3720, 5423372), (4960, 4067529), (7440, 2711686), (14880, 1355843)]