20183325916

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{420521}}^1$

素因数の和:420622

約数の個数: 36

約数和(自身を含む): 38785585104

約数和(自身を除く): 18602259188

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 169, 284, 338, 676, 923, 1846, 3692, 11999, 23998, 47996, 420521, 841042, 1682084, 5466773, 10933546, 21867092, 29856991, 59713982, 71068049, 119427964, 142136098, 284272196, 388140883, 776281766, 1552563532, 5045831479, 10091662958, 20183325916]

約数ペア:

[(1, 20183325916), (2, 10091662958), (4, 5045831479), (13, 1552563532), (26, 776281766), (52, 388140883), (71, 284272196), (142, 142136098), (169, 119427964), (284, 71068049), (338, 59713982), (676, 29856991), (923, 21867092), (1846, 10933546), (3692, 5466773), (11999, 1682084), (23998, 841042), (47996, 420521)]