20851544272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3456821}}^1$

素因数の和:3456871

約数の個数: 40

約数和(自身を含む): 45007822440

約数和(自身を除く): 24156278168

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 104, 116, 208, 232, 377, 464, 754, 1508, 3016, 6032, 3456821, 6913642, 13827284, 27654568, 44938673, 55309136, 89877346, 100247809, 179754692, 200495618, 359509384, 400991236, 719018768, 801982472, 1303221517, 1603964944, 2606443034, 5212886068, 10425772136, 20851544272]

約数ペア:

[(1, 20851544272), (2, 10425772136), (4, 5212886068), (8, 2606443034), (13, 1603964944), (16, 1303221517), (26, 801982472), (29, 719018768), (52, 400991236), (58, 359509384), (104, 200495618), (116, 179754692), (208, 100247809), (232, 89877346), (377, 55309136), (464, 44938673), (754, 27654568), (1508, 13827284), (3016, 6913642), (6032, 3456821)]