20118829240

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{631}}^1\times {\mathrm{2137}}^1$

素因数の和:3152

約数の個数: 64

約数和(自身を含む): 45481930560

約数和(自身を除く): 25363101320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 631, 746, 1262, 1492, 1865, 2137, 2524, 2984, 3155, 3730, 4274, 5048, 6310, 7460, 8548, 10685, 12620, 14920, 17096, 21370, 25240, 42740, 85480, 235363, 470726, 797101, 941452, 1176815, 1348447, 1594202, 1882904, 2353630, 2696894, 3188404, 3985505, 4707260, 5393788, 6376808, 6742235, 7971010, 9414520, 10787576, 13484470, 15942020, 26968940, 31884040, 53937880, 502970731, 1005941462, 2011882924, 2514853655, 4023765848, 5029707310, 10059414620, 20118829240]

約数ペア:

[(1, 20118829240), (2, 10059414620), (4, 5029707310), (5, 4023765848), (8, 2514853655), (10, 2011882924), (20, 1005941462), (40, 502970731), (373, 53937880), (631, 31884040), (746, 26968940), (1262, 15942020), (1492, 13484470), (1865, 10787576), (2137, 9414520), (2524, 7971010), (2984, 6742235), (3155, 6376808), (3730, 5393788), (4274, 4707260), (5048, 3985505), (6310, 3188404), (7460, 2696894), (8548, 2353630), (10685, 1882904), (12620, 1594202), (14920, 1348447), (17096, 1176815), (21370, 941452), (25240, 797101), (42740, 470726), (85480, 235363)]