20969602

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:346

約数の個数: 32

約数和(自身を含む): 34801920

約数和(自身を除く): 13832318

約数列:

[1, 2, 17, 34, 37, 74, 79, 158, 211, 422, 629, 1258, 1343, 2686, 2923, 3587, 5846, 7174, 7807, 15614, 16669, 33338, 49691, 99382, 132719, 265438, 283373, 566746, 616753, 1233506, 10484801, 20969602]

約数ペア:

[(1, 20969602), (2, 10484801), (17, 1233506), (34, 616753), (37, 566746), (74, 283373), (79, 265438), (158, 132719), (211, 99382), (422, 49691), (629, 33338), (1258, 16669), (1343, 15614), (2686, 7807), (2923, 7174), (3587, 5846)]