20210224

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{3499}}^1$

素因数の和:3545

約数の個数: 30

約数和(自身を含む): 41338500

約数和(自身を除く): 21128276

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 361, 722, 1444, 2888, 3499, 5776, 6998, 13996, 27992, 55984, 66481, 132962, 265924, 531848, 1063696, 1263139, 2526278, 5052556, 10105112, 20210224]

約数ペア:

[(1, 20210224), (2, 10105112), (4, 5052556), (8, 2526278), (16, 1263139), (19, 1063696), (38, 531848), (76, 265924), (152, 132962), (304, 66481), (361, 55984), (722, 27992), (1444, 13996), (2888, 6998), (3499, 5776)]