20213115923

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1187819}}^1$

素因数の和:1187867

約数の個数: 32

約数和(自身を含む): 28735741440

約数和(自身を除く): 8522625517

約数列:

[1, 7, 11, 13, 17, 77, 91, 119, 143, 187, 221, 1001, 1309, 1547, 2431, 17017, 1187819, 8314733, 13066009, 15441647, 20192923, 91462063, 108091529, 141350461, 169858117, 222122153, 262507999, 1189006819, 1554855071, 1837555993, 2887587989, 20213115923]

約数ペア:

[(1, 20213115923), (7, 2887587989), (11, 1837555993), (13, 1554855071), (17, 1189006819), (77, 262507999), (91, 222122153), (119, 169858117), (143, 141350461), (187, 108091529), (221, 91462063), (1001, 20192923), (1309, 15441647), (1547, 13066009), (2431, 8314733), (17017, 1187819)]