20876770448

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2215277}}^1$

素因数の和:2215335

約数の個数: 40

約数和(自身を含む): 43951115520

約数和(自身を除く): 23074345072

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2356, 4712, 9424, 2215277, 4430554, 8861108, 17722216, 35444432, 42090263, 68673587, 84180526, 137347174, 168361052, 274694348, 336722104, 549388696, 673444208, 1098777392, 1304798153, 2609596306, 5219192612, 10438385224, 20876770448]

約数ペア:

[(1, 20876770448), (2, 10438385224), (4, 5219192612), (8, 2609596306), (16, 1304798153), (19, 1098777392), (31, 673444208), (38, 549388696), (62, 336722104), (76, 274694348), (124, 168361052), (152, 137347174), (248, 84180526), (304, 68673587), (496, 42090263), (589, 35444432), (1178, 17722216), (2356, 8861108), (4712, 4430554), (9424, 2215277)]