20264764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{4933}}^1$

素因数の和:5029

約数の個数: 24

約数和(自身を含む): 38682560

約数和(自身を除く): 18417796

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 1027, 2054, 4108, 4933, 9866, 19732, 64129, 128258, 256516, 389707, 779414, 1558828, 5066191, 10132382, 20264764]

約数ペア:

[(1, 20264764), (2, 10132382), (4, 5066191), (13, 1558828), (26, 779414), (52, 389707), (79, 256516), (158, 128258), (316, 64129), (1027, 19732), (2054, 9866), (4108, 4933)]