20885622015

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1213}}^1\times {\mathrm{27997}}^1$

素因数の和:29259

約数の個数: 32

約数和(自身を含む): 34261488576

約数和(自身を除く): 13375866561

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 1213, 3639, 6065, 18195, 27997, 49733, 83991, 139985, 149199, 248665, 419955, 745995, 1147877, 3443631, 5739385, 17218155, 33960361, 101881083, 169801805, 509405415, 1392374801, 4177124403, 6961874005, 20885622015]

約数ペア:

[(1, 20885622015), (3, 6961874005), (5, 4177124403), (15, 1392374801), (41, 509405415), (123, 169801805), (205, 101881083), (615, 33960361), (1213, 17218155), (3639, 5739385), (6065, 3443631), (18195, 1147877), (27997, 745995), (49733, 419955), (83991, 248665), (139985, 149199)]