20869665

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1213}}^1$

素因数の和:1289

約数の個数: 32

約数和(自身を含む): 35429376

約数和(自身を除く): 14559711

約数列:

[1, 3, 5, 15, 31, 37, 93, 111, 155, 185, 465, 555, 1147, 1213, 3441, 3639, 5735, 6065, 17205, 18195, 37603, 44881, 112809, 134643, 188015, 224405, 564045, 673215, 1391311, 4173933, 6956555, 20869665]

約数ペア:

[(1, 20869665), (3, 6956555), (5, 4173933), (15, 1391311), (31, 673215), (37, 564045), (93, 224405), (111, 188015), (155, 134643), (185, 112809), (465, 44881), (555, 37603), (1147, 18195), (1213, 17205), (3441, 6065), (3639, 5735)]