20455878

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{653}}^1$

素因数の和:908

約数の個数: 32

約数和(自身を含む): 42944256

約数和(自身を除く): 22488378

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 227, 454, 653, 681, 1306, 1362, 1959, 3918, 5221, 10442, 15019, 15663, 30038, 31326, 45057, 90114, 148231, 296462, 444693, 889386, 3409313, 6818626, 10227939, 20455878]

約数ペア:

[(1, 20455878), (2, 10227939), (3, 6818626), (6, 3409313), (23, 889386), (46, 444693), (69, 296462), (138, 148231), (227, 90114), (454, 45057), (653, 31326), (681, 30038), (1306, 15663), (1362, 15019), (1959, 10442), (3918, 5221)]