20318246

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 34872768

約数和(自身を除く): 14554522

約数列:

[1, 2, 13, 23, 26, 46, 61, 122, 299, 557, 598, 793, 1114, 1403, 1586, 2806, 7241, 12811, 14482, 18239, 25622, 33977, 36478, 67954, 166543, 333086, 441701, 781471, 883402, 1562942, 10159123, 20318246]

約数ペア:

[(1, 20318246), (2, 10159123), (13, 1562942), (23, 883402), (26, 781471), (46, 441701), (61, 333086), (122, 166543), (299, 67954), (557, 36478), (598, 33977), (793, 25622), (1114, 18239), (1403, 14482), (1586, 12811), (2806, 7241)]