20694284

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{13723}}^1$

素因数の和:13769

約数の個数: 24

約数和(自身を含む): 40348560

約数和(自身を除く): 19654276

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 377, 754, 1508, 13723, 27446, 54892, 178399, 356798, 397967, 713596, 795934, 1591868, 5173571, 10347142, 20694284]

約数ペア:

[(1, 20694284), (2, 10347142), (4, 5173571), (13, 1591868), (26, 795934), (29, 713596), (52, 397967), (58, 356798), (116, 178399), (377, 54892), (754, 27446), (1508, 13723)]