20307640384

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{4469111}}^1$

素因数の和:4469194

約数の個数: 28

約数和(自身を含む): 40865560128

約数和(自身を除く): 20557919744

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 142, 284, 568, 1136, 2272, 4544, 4469111, 8938222, 17876444, 35752888, 71505776, 143011552, 286023104, 317306881, 634613762, 1269227524, 2538455048, 5076910096, 10153820192, 20307640384]

約数ペア:

[(1, 20307640384), (2, 10153820192), (4, 5076910096), (8, 2538455048), (16, 1269227524), (32, 634613762), (64, 317306881), (71, 286023104), (142, 143011552), (284, 71505776), (568, 35752888), (1136, 17876444), (2272, 8938222), (4544, 4469111)]