20548280620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1\times {\mathrm{13757}}^1$

素因数の和:14047

約数の個数: 96

約数和(自身を含む): 50590697472

約数和(自身を除く): 30042416852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 227, 235, 329, 454, 470, 658, 908, 940, 1135, 1316, 1589, 1645, 2270, 3178, 3290, 4540, 6356, 6580, 7945, 10669, 13757, 15890, 21338, 27514, 31780, 42676, 53345, 55028, 68785, 74683, 96299, 106690, 137570, 149366, 192598, 213380, 275140, 298732, 373415, 385196, 481495, 646579, 746830, 962990, 1293158, 1493660, 1925980, 2586316, 3122839, 3232895, 4526053, 6245678, 6465790, 9052106, 12491356, 12931580, 15614195, 18104212, 21859873, 22630265, 31228390, 43719746, 45260530, 62456780, 87439492, 90521060, 109299365, 146773433, 218598730, 293546866, 437197460, 587093732, 733867165, 1027414031, 1467734330, 2054828062, 2935468660, 4109656124, 5137070155, 10274140310, 20548280620]

約数ペア:

[(1, 20548280620), (2, 10274140310), (4, 5137070155), (5, 4109656124), (7, 2935468660), (10, 2054828062), (14, 1467734330), (20, 1027414031), (28, 733867165), (35, 587093732), (47, 437197460), (70, 293546866), (94, 218598730), (140, 146773433), (188, 109299365), (227, 90521060), (235, 87439492), (329, 62456780), (454, 45260530), (470, 43719746), (658, 31228390), (908, 22630265), (940, 21859873), (1135, 18104212), (1316, 15614195), (1589, 12931580), (1645, 12491356), (2270, 9052106), (3178, 6465790), (3290, 6245678), (4540, 4526053), (6356, 3232895), (6580, 3122839), (7945, 2586316), (10669, 1925980), (13757, 1493660), (15890, 1293158), (21338, 962990), (27514, 746830), (31780, 646579), (42676, 481495), (53345, 385196), (55028, 373415), (68785, 298732), (74683, 275140), (96299, 213380), (106690, 192598), (137570, 149366)]