20845863892

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{56269}}^1$

素因数の和:56512

約数の個数: 48

約数和(自身を含む): 42426679680

約数和(自身を除く): 21580815788

約数列:

[1, 2, 4, 7, 14, 28, 101, 131, 202, 262, 404, 524, 707, 917, 1414, 1834, 2828, 3668, 13231, 26462, 52924, 56269, 92617, 112538, 185234, 225076, 370468, 393883, 787766, 1575532, 5683169, 7371239, 11366338, 14742478, 22732676, 29484956, 39782183, 51598673, 79564366, 103197346, 159128732, 206394692, 744495139, 1488990278, 2977980556, 5211465973, 10422931946, 20845863892]

約数ペア:

[(1, 20845863892), (2, 10422931946), (4, 5211465973), (7, 2977980556), (14, 1488990278), (28, 744495139), (101, 206394692), (131, 159128732), (202, 103197346), (262, 79564366), (404, 51598673), (524, 39782183), (707, 29484956), (917, 22732676), (1414, 14742478), (1834, 11366338), (2828, 7371239), (3668, 5683169), (13231, 1575532), (26462, 787766), (52924, 393883), (56269, 370468), (92617, 225076), (112538, 185234)]