20717630

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 38253600

約数和(自身を除く): 17535970

約数列:

[1, 2, 5, 10, 83, 109, 166, 218, 229, 415, 458, 545, 830, 1090, 1145, 2290, 9047, 18094, 19007, 24961, 38014, 45235, 49922, 90470, 95035, 124805, 190070, 249610, 2071763, 4143526, 10358815, 20717630]

約数ペア:

[(1, 20717630), (2, 10358815), (5, 4143526), (10, 2071763), (83, 249610), (109, 190070), (166, 124805), (218, 95035), (229, 90470), (415, 49922), (458, 45235), (545, 38014), (830, 24961), (1090, 19007), (1145, 18094), (2290, 9047)]