20170748

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{6359}}^1$

素因数の和:6437

約数の個数: 24

約数和(自身を含む): 38643360

約数和(自身を除く): 18472612

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 6359, 12718, 25436, 82667, 165334, 330668, 387899, 775798, 1551596, 5042687, 10085374, 20170748]

約数ペア:

[(1, 20170748), (2, 10085374), (4, 5042687), (13, 1551596), (26, 775798), (52, 387899), (61, 330668), (122, 165334), (244, 82667), (793, 25436), (1586, 12718), (3172, 6359)]