20199603151

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{271}}^1\times {\mathrm{9001}}^1$

素因数の和:9312

約数の個数: 36

約数和(自身を含む): 25540762464

約数和(自身を除く): 5341159313

約数列:

[1, 7, 13, 49, 91, 169, 271, 637, 1183, 1897, 3523, 8281, 9001, 13279, 24661, 45799, 63007, 117013, 172627, 320593, 441049, 819091, 1521169, 2244151, 2439271, 5733637, 10648183, 17074897, 31710523, 74537281, 119524279, 221973661, 412236799, 1553815627, 2885657593, 20199603151]

約数ペア:

[(1, 20199603151), (7, 2885657593), (13, 1553815627), (49, 412236799), (91, 221973661), (169, 119524279), (271, 74537281), (637, 31710523), (1183, 17074897), (1897, 10648183), (3523, 5733637), (8281, 2439271), (9001, 2244151), (13279, 1521169), (24661, 819091), (45799, 441049), (63007, 320593), (117013, 172627)]