20885546

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 35354880

約数和(自身を除く): 14469334

約数列:

[1, 2, 11, 22, 61, 79, 122, 158, 197, 394, 671, 869, 1342, 1738, 2167, 4334, 4819, 9638, 12017, 15563, 24034, 31126, 53009, 106018, 132187, 171193, 264374, 342386, 949343, 1898686, 10442773, 20885546]

約数ペア:

[(1, 20885546), (2, 10442773), (11, 1898686), (22, 949343), (61, 342386), (79, 264374), (122, 171193), (158, 132187), (197, 106018), (394, 53009), (671, 31126), (869, 24034), (1342, 15563), (1738, 12017), (2167, 9638), (4334, 4819)]