20733014015

素因数分解:

$5^1\times 7^3\times {\mathrm{163}}^1\times {\mathrm{74167}}^1$

素因数の和:74356

約数の個数: 32

約数和(自身を含む): 29192524800

約数和(自身を除く): 8459510785

約数列:

[1, 5, 7, 35, 49, 163, 245, 343, 815, 1141, 1715, 5705, 7987, 39935, 55909, 74167, 279545, 370835, 519169, 2595845, 3634183, 12089221, 18170915, 25439281, 60446105, 84624547, 127196405, 423122735, 592371829, 2961859145, 4146602803, 20733014015]

約数ペア:

[(1, 20733014015), (5, 4146602803), (7, 2961859145), (35, 592371829), (49, 423122735), (163, 127196405), (245, 84624547), (343, 60446105), (815, 25439281), (1141, 18170915), (1715, 12089221), (5705, 3634183), (7987, 2595845), (39935, 519169), (55909, 370835), (74167, 279545)]