20194959620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{557}}^1\times {\mathrm{1699}}^1$

素因数の和:2373

約数の個数: 96

約数和(自身を含む): 46853251200

約数和(自身を除く): 26658291580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 557, 970, 1067, 1114, 1699, 1940, 2134, 2228, 2785, 3398, 4268, 5335, 5570, 6127, 6796, 8495, 10670, 11140, 12254, 16990, 18689, 21340, 24508, 30635, 33980, 37378, 54029, 61270, 74756, 93445, 108058, 122540, 164803, 186890, 216116, 270145, 329606, 373780, 540290, 594319, 659212, 824015, 946343, 1080580, 1188638, 1648030, 1812833, 1892686, 2377276, 2971595, 3296060, 3625666, 3785372, 4731715, 5943190, 7251332, 9064165, 9463430, 10409773, 11886380, 18128330, 18926860, 20819546, 36256660, 41639092, 52048865, 91795271, 104097730, 183590542, 208195460, 367181084, 458976355, 917952710, 1009747981, 1835905420, 2019495962, 4038991924, 5048739905, 10097479810, 20194959620]

約数ペア:

[(1, 20194959620), (2, 10097479810), (4, 5048739905), (5, 4038991924), (10, 2019495962), (11, 1835905420), (20, 1009747981), (22, 917952710), (44, 458976355), (55, 367181084), (97, 208195460), (110, 183590542), (194, 104097730), (220, 91795271), (388, 52048865), (485, 41639092), (557, 36256660), (970, 20819546), (1067, 18926860), (1114, 18128330), (1699, 11886380), (1940, 10409773), (2134, 9463430), (2228, 9064165), (2785, 7251332), (3398, 5943190), (4268, 4731715), (5335, 3785372), (5570, 3625666), (6127, 3296060), (6796, 2971595), (8495, 2377276), (10670, 1892686), (11140, 1812833), (12254, 1648030), (16990, 1188638), (18689, 1080580), (21340, 946343), (24508, 824015), (30635, 659212), (33980, 594319), (37378, 540290), (54029, 373780), (61270, 329606), (74756, 270145), (93445, 216116), (108058, 186890), (122540, 164803)]