20905566

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{3559}}^1$

素因数の和:3664

約数の個数: 32

約数和(自身を含む): 46137600

約数和(自身を除く): 25232034

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 89, 178, 267, 534, 979, 1958, 2937, 3559, 5874, 7118, 10677, 21354, 39149, 78298, 117447, 234894, 316751, 633502, 950253, 1900506, 3484261, 6968522, 10452783, 20905566]

約数ペア:

[(1, 20905566), (2, 10452783), (3, 6968522), (6, 3484261), (11, 1900506), (22, 950253), (33, 633502), (66, 316751), (89, 234894), (178, 117447), (267, 78298), (534, 39149), (979, 21354), (1958, 10677), (2937, 7118), (3559, 5874)]