20121866848

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{196687}}^1$

素因数の和:196859

約数の個数: 48

約数和(自身を含む): 41634915840

約数和(自身を除く): 21513048992

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 139, 184, 278, 368, 556, 736, 1112, 2224, 3197, 4448, 6394, 12788, 25576, 51152, 102304, 196687, 393374, 786748, 1573496, 3146992, 4523801, 6293984, 9047602, 18095204, 27339493, 36190408, 54678986, 72380816, 109357972, 144761632, 218715944, 437431888, 628808339, 874863776, 1257616678, 2515233356, 5030466712, 10060933424, 20121866848]

約数ペア:

[(1, 20121866848), (2, 10060933424), (4, 5030466712), (8, 2515233356), (16, 1257616678), (23, 874863776), (32, 628808339), (46, 437431888), (92, 218715944), (139, 144761632), (184, 109357972), (278, 72380816), (368, 54678986), (556, 36190408), (736, 27339493), (1112, 18095204), (2224, 9047602), (3197, 6293984), (4448, 4523801), (6394, 3146992), (12788, 1573496), (25576, 786748), (51152, 393374), (102304, 196687)]