20041528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1801}}^1$

素因数の和:1927

約数の個数: 32

約数和(自身を含む): 40869360

約数和(自身を除く): 20827832

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 107, 214, 428, 856, 1391, 1801, 2782, 3602, 5564, 7204, 11128, 14408, 23413, 46826, 93652, 187304, 192707, 385414, 770828, 1541656, 2505191, 5010382, 10020764, 20041528]

約数ペア:

[(1, 20041528), (2, 10020764), (4, 5010382), (8, 2505191), (13, 1541656), (26, 770828), (52, 385414), (104, 192707), (107, 187304), (214, 93652), (428, 46826), (856, 23413), (1391, 14408), (1801, 11128), (2782, 7204), (3602, 5564)]