20873380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1201}}^1$

素因数の和:1300

約数の個数: 48

約数和(自身を含む): 48464640

約数和(自身を除く): 27591260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1201, 1580, 1738, 2402, 3476, 4345, 4804, 6005, 8690, 12010, 13211, 17380, 24020, 26422, 52844, 66055, 94879, 132110, 189758, 264220, 379516, 474395, 948790, 1043669, 1897580, 2087338, 4174676, 5218345, 10436690, 20873380]

約数ペア:

[(1, 20873380), (2, 10436690), (4, 5218345), (5, 4174676), (10, 2087338), (11, 1897580), (20, 1043669), (22, 948790), (44, 474395), (55, 379516), (79, 264220), (110, 189758), (158, 132110), (220, 94879), (316, 66055), (395, 52844), (790, 26422), (869, 24020), (1201, 17380), (1580, 13211), (1738, 12010), (2402, 8690), (3476, 6005), (4345, 4804)]