20405536416

素因数分解:

$2^5\times 3^3\times {\mathrm{199}}^1\times {\mathrm{118681}}^1$

素因数の和:118899

約数の個数: 96

約数和(自身を含む): 59815728000

約数和(自身を除く): 39410191584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 199, 216, 288, 398, 432, 597, 796, 864, 1194, 1592, 1791, 2388, 3184, 3582, 4776, 5373, 6368, 7164, 9552, 10746, 14328, 19104, 21492, 28656, 42984, 57312, 85968, 118681, 171936, 237362, 356043, 474724, 712086, 949448, 1068129, 1424172, 1898896, 2136258, 2848344, 3204387, 3797792, 4272516, 5696688, 6408774, 8545032, 11393376, 12817548, 17090064, 23617519, 25635096, 34180128, 47235038, 51270192, 70852557, 94470076, 102540384, 141705114, 188940152, 212557671, 283410228, 377880304, 425115342, 566820456, 637673013, 755760608, 850230684, 1133640912, 1275346026, 1700461368, 2267281824, 2550692052, 3400922736, 5101384104, 6801845472, 10202768208, 20405536416]

約数ペア:

[(1, 20405536416), (2, 10202768208), (3, 6801845472), (4, 5101384104), (6, 3400922736), (8, 2550692052), (9, 2267281824), (12, 1700461368), (16, 1275346026), (18, 1133640912), (24, 850230684), (27, 755760608), (32, 637673013), (36, 566820456), (48, 425115342), (54, 377880304), (72, 283410228), (96, 212557671), (108, 188940152), (144, 141705114), (199, 102540384), (216, 94470076), (288, 70852557), (398, 51270192), (432, 47235038), (597, 34180128), (796, 25635096), (864, 23617519), (1194, 17090064), (1592, 12817548), (1791, 11393376), (2388, 8545032), (3184, 6408774), (3582, 5696688), (4776, 4272516), (5373, 3797792), (6368, 3204387), (7164, 2848344), (9552, 2136258), (10746, 1898896), (14328, 1424172), (19104, 1068129), (21492, 949448), (28656, 712086), (42984, 474724), (57312, 356043), (85968, 237362), (118681, 171936)]