20245330

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{523}}^1$

素因数の和:623

約数の個数: 48

約数和(自身を含む): 43009920

約数和(自身を除く): 22764590

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 79, 98, 158, 245, 395, 490, 523, 553, 790, 1046, 1106, 2615, 2765, 3661, 3871, 5230, 5530, 7322, 7742, 18305, 19355, 25627, 36610, 38710, 41317, 51254, 82634, 128135, 206585, 256270, 289219, 413170, 578438, 1446095, 2024533, 2892190, 4049066, 10122665, 20245330]

約数ペア:

[(1, 20245330), (2, 10122665), (5, 4049066), (7, 2892190), (10, 2024533), (14, 1446095), (35, 578438), (49, 413170), (70, 289219), (79, 256270), (98, 206585), (158, 128135), (245, 82634), (395, 51254), (490, 41317), (523, 38710), (553, 36610), (790, 25627), (1046, 19355), (1106, 18305), (2615, 7742), (2765, 7322), (3661, 5530), (3871, 5230)]