20885172

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3229}}^1$

素因数の和:3261

約数の個数: 72

約数和(自身を含む): 61860960

約数和(自身を除く): 40975788

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 66, 77, 84, 98, 132, 147, 154, 196, 231, 294, 308, 462, 539, 588, 924, 1078, 1617, 2156, 3229, 3234, 6458, 6468, 9687, 12916, 19374, 22603, 35519, 38748, 45206, 67809, 71038, 90412, 106557, 135618, 142076, 158221, 213114, 248633, 271236, 316442, 426228, 474663, 497266, 632884, 745899, 949326, 994532, 1491798, 1740431, 1898652, 2983596, 3480862, 5221293, 6961724, 10442586, 20885172]

約数ペア:

[(1, 20885172), (2, 10442586), (3, 6961724), (4, 5221293), (6, 3480862), (7, 2983596), (11, 1898652), (12, 1740431), (14, 1491798), (21, 994532), (22, 949326), (28, 745899), (33, 632884), (42, 497266), (44, 474663), (49, 426228), (66, 316442), (77, 271236), (84, 248633), (98, 213114), (132, 158221), (147, 142076), (154, 135618), (196, 106557), (231, 90412), (294, 71038), (308, 67809), (462, 45206), (539, 38748), (588, 35519), (924, 22603), (1078, 19374), (1617, 12916), (2156, 9687), (3229, 6468), (3234, 6458)]