20789674

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:294

約数の個数: 32

約数和(自身を含む): 34292160

約数和(自身を除く): 13502486

約数列:

[1, 2, 17, 34, 53, 83, 106, 139, 166, 278, 901, 1411, 1802, 2363, 2822, 4399, 4726, 7367, 8798, 11537, 14734, 23074, 74783, 125239, 149566, 196129, 250478, 392258, 611461, 1222922, 10394837, 20789674]

約数ペア:

[(1, 20789674), (2, 10394837), (17, 1222922), (34, 611461), (53, 392258), (83, 250478), (106, 196129), (139, 149566), (166, 125239), (278, 74783), (901, 23074), (1411, 14734), (1802, 11537), (2363, 8798), (2822, 7367), (4399, 4726)]