20120497915

素因数分解:

$5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{379}}^1\times {\mathrm{4133}}^1$

素因数の和:4891

約数の個数: 32

約数和(自身を含む): 27748730880

約数和(自身を除く): 7628232965

約数列:

[1, 5, 7, 35, 367, 379, 1835, 1895, 2569, 2653, 4133, 12845, 13265, 20665, 28931, 139093, 144655, 695465, 973651, 1516811, 1566407, 4868255, 7584055, 7832035, 10617677, 10964849, 53088385, 54824245, 574871369, 2874356845, 4024099583, 20120497915]

約数ペア:

[(1, 20120497915), (5, 4024099583), (7, 2874356845), (35, 574871369), (367, 54824245), (379, 53088385), (1835, 10964849), (1895, 10617677), (2569, 7832035), (2653, 7584055), (4133, 4868255), (12845, 1566407), (13265, 1516811), (20665, 973651), (28931, 695465), (139093, 144655)]