20895914

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 35731584

約数和(自身を除く): 14835670

約数列:

[1, 2, 13, 23, 26, 46, 83, 166, 299, 421, 598, 842, 1079, 1909, 2158, 3818, 5473, 9683, 10946, 19366, 24817, 34943, 49634, 69886, 125879, 251758, 454259, 803689, 908518, 1607378, 10447957, 20895914]

約数ペア:

[(1, 20895914), (2, 10447957), (13, 1607378), (23, 908518), (26, 803689), (46, 454259), (83, 251758), (166, 125879), (299, 69886), (421, 49634), (598, 34943), (842, 24817), (1079, 19366), (1909, 10946), (2158, 9683), (3818, 5473)]