20145679953

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1\times {\mathrm{50387}}^1$

素因数の和:50717

約数の個数: 32

約数和(自身を含む): 31216373760

約数和(自身を除く): 11070693807

約数列:

[1, 3, 7, 21, 79, 237, 241, 553, 723, 1659, 1687, 5061, 19039, 50387, 57117, 133273, 151161, 352709, 399819, 1058127, 3980573, 11941719, 12143267, 27864011, 36429801, 83592033, 85002869, 255008607, 959318093, 2877954279, 6715226651, 20145679953]

約数ペア:

[(1, 20145679953), (3, 6715226651), (7, 2877954279), (21, 959318093), (79, 255008607), (237, 85002869), (241, 83592033), (553, 36429801), (723, 27864011), (1659, 12143267), (1687, 11941719), (5061, 3980573), (19039, 1058127), (50387, 399819), (57117, 352709), (133273, 151161)]