20903973908

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{433}}^1\times {\mathrm{709957}}^1$

素因数の和:710411

約数の個数: 24

約数和(自身を含む): 38823343272

約数和(自身を除く): 17919369364

約数列:

[1, 2, 4, 17, 34, 68, 433, 866, 1732, 7361, 14722, 29444, 709957, 1419914, 2839828, 12069269, 24138538, 48277076, 307411381, 614822762, 1229645524, 5225993477, 10451986954, 20903973908]

約数ペア:

[(1, 20903973908), (2, 10451986954), (4, 5225993477), (17, 1229645524), (34, 614822762), (68, 307411381), (433, 48277076), (866, 24138538), (1732, 12069269), (7361, 2839828), (14722, 1419914), (29444, 709957)]