20403777436

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{101477}}^1$

素因数の和:101698

約数の個数: 48

約数和(自身を含む): 42007021056

約数和(自身を除く): 21603243620

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 167, 172, 301, 334, 602, 668, 1169, 1204, 2338, 4676, 7181, 14362, 28724, 50267, 100534, 101477, 201068, 202954, 405908, 710339, 1420678, 2841356, 4363511, 8727022, 16946659, 17454044, 30544577, 33893318, 61089154, 67786636, 118626613, 122178308, 237253226, 474506452, 728706337, 1457412674, 2914825348, 5100944359, 10201888718, 20403777436]

約数ペア:

[(1, 20403777436), (2, 10201888718), (4, 5100944359), (7, 2914825348), (14, 1457412674), (28, 728706337), (43, 474506452), (86, 237253226), (167, 122178308), (172, 118626613), (301, 67786636), (334, 61089154), (602, 33893318), (668, 30544577), (1169, 17454044), (1204, 16946659), (2338, 8727022), (4676, 4363511), (7181, 2841356), (14362, 1420678), (28724, 710339), (50267, 405908), (100534, 202954), (101477, 201068)]