20403927610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1137977}}^1$

素因数の和:1138158

約数の個数: 32

約数和(自身を含む): 40311732672

約数和(自身を除く): 19907805062

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 163, 326, 815, 1630, 1793, 3586, 8965, 17930, 1137977, 2275954, 5689885, 11379770, 12517747, 25035494, 62588735, 125177470, 185490251, 370980502, 927451255, 1854902510, 2040392761, 4080785522, 10201963805, 20403927610]

約数ペア:

[(1, 20403927610), (2, 10201963805), (5, 4080785522), (10, 2040392761), (11, 1854902510), (22, 927451255), (55, 370980502), (110, 185490251), (163, 125177470), (326, 62588735), (815, 25035494), (1630, 12517747), (1793, 11379770), (3586, 5689885), (8965, 2275954), (17930, 1137977)]