20875848

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{397}}^1$

素因数の和:726

約数の個数: 64

約数和(自身を含む): 59986560

約数和(自身を除く): 39110712

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 313, 397, 626, 794, 939, 1191, 1252, 1588, 1878, 2191, 2382, 2504, 2779, 3176, 3756, 4382, 4764, 5558, 6573, 7512, 8337, 8764, 9528, 11116, 13146, 16674, 17528, 22232, 26292, 33348, 52584, 66696, 124261, 248522, 372783, 497044, 745566, 869827, 994088, 1491132, 1739654, 2609481, 2982264, 3479308, 5218962, 6958616, 10437924, 20875848]

約数ペア:

[(1, 20875848), (2, 10437924), (3, 6958616), (4, 5218962), (6, 3479308), (7, 2982264), (8, 2609481), (12, 1739654), (14, 1491132), (21, 994088), (24, 869827), (28, 745566), (42, 497044), (56, 372783), (84, 248522), (168, 124261), (313, 66696), (397, 52584), (626, 33348), (794, 26292), (939, 22232), (1191, 17528), (1252, 16674), (1588, 13146), (1878, 11116), (2191, 9528), (2382, 8764), (2504, 8337), (2779, 7512), (3176, 6573), (3756, 5558), (4382, 4764)]