20830117679

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1\times {\mathrm{2797}}^1$

素因数の和:3135

約数の個数: 32

約数和(自身を含む): 24580855296

約数和(自身を除く): 3750737617

約数列:

[1, 7, 61, 107, 163, 427, 749, 1141, 2797, 6527, 9943, 17441, 19579, 45689, 69601, 122087, 170617, 299279, 455911, 1063901, 1194319, 2094953, 3191377, 7447307, 18256019, 27810571, 48782477, 127792133, 194673997, 341477339, 2975731097, 20830117679]

約数ペア:

[(1, 20830117679), (7, 2975731097), (61, 341477339), (107, 194673997), (163, 127792133), (427, 48782477), (749, 27810571), (1141, 18256019), (2797, 7447307), (6527, 3191377), (9943, 2094953), (17441, 1194319), (19579, 1063901), (45689, 455911), (69601, 299279), (122087, 170617)]