20861157776

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{1823}}^1\times {\mathrm{42071}}^1$

素因数の和:43919

約数の個数: 40

約数和(自身を含む): 42820545024

約数和(自身を除く): 21959387248

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 1823, 3646, 7292, 14584, 29168, 30991, 42071, 61982, 84142, 123964, 168284, 247928, 336568, 495856, 673136, 715207, 1430414, 2860828, 5721656, 11443312, 76695433, 153390866, 306781732, 613563464, 1227126928, 1303822361, 2607644722, 5215289444, 10430578888, 20861157776]

約数ペア:

[(1, 20861157776), (2, 10430578888), (4, 5215289444), (8, 2607644722), (16, 1303822361), (17, 1227126928), (34, 613563464), (68, 306781732), (136, 153390866), (272, 76695433), (1823, 11443312), (3646, 5721656), (7292, 2860828), (14584, 1430414), (29168, 715207), (30991, 673136), (42071, 495856), (61982, 336568), (84142, 247928), (123964, 168284)]