20079943910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2473}}^1\times {\mathrm{62459}}^1$

素因数の和:64952

約数の個数: 32

約数和(自身を含む): 38940562080

約数和(自身を除く): 18860618170

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2473, 4946, 12365, 24730, 32149, 62459, 64298, 124918, 160745, 312295, 321490, 624590, 811967, 1623934, 4059835, 8119670, 154461107, 308922214, 772305535, 1544611070, 2007994391, 4015988782, 10039971955, 20079943910]

約数ペア:

[(1, 20079943910), (2, 10039971955), (5, 4015988782), (10, 2007994391), (13, 1544611070), (26, 772305535), (65, 308922214), (130, 154461107), (2473, 8119670), (4946, 4059835), (12365, 1623934), (24730, 811967), (32149, 624590), (62459, 321490), (64298, 312295), (124918, 160745)]