20707764

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:405

約数の個数: 96

約数和(自身を含む): 61264896

約数和(自身を除く): 40557132

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 73, 77, 84, 132, 146, 154, 219, 231, 292, 307, 308, 438, 462, 511, 614, 803, 876, 921, 924, 1022, 1228, 1533, 1606, 1842, 2044, 2149, 2409, 3066, 3212, 3377, 3684, 4298, 4818, 5621, 6132, 6447, 6754, 8596, 9636, 10131, 11242, 12894, 13508, 16863, 20262, 22411, 22484, 23639, 25788, 33726, 40524, 44822, 47278, 67233, 67452, 70917, 89644, 94556, 134466, 141834, 156877, 246521, 268932, 283668, 313754, 470631, 493042, 627508, 739563, 941262, 986084, 1479126, 1725647, 1882524, 2958252, 3451294, 5176941, 6902588, 10353882, 20707764]

約数ペア:

[(1, 20707764), (2, 10353882), (3, 6902588), (4, 5176941), (6, 3451294), (7, 2958252), (11, 1882524), (12, 1725647), (14, 1479126), (21, 986084), (22, 941262), (28, 739563), (33, 627508), (42, 493042), (44, 470631), (66, 313754), (73, 283668), (77, 268932), (84, 246521), (132, 156877), (146, 141834), (154, 134466), (219, 94556), (231, 89644), (292, 70917), (307, 67452), (308, 67233), (438, 47278), (462, 44822), (511, 40524), (614, 33726), (803, 25788), (876, 23639), (921, 22484), (924, 22411), (1022, 20262), (1228, 16863), (1533, 13508), (1606, 12894), (1842, 11242), (2044, 10131), (2149, 9636), (2409, 8596), (3066, 6754), (3212, 6447), (3377, 6132), (3684, 5621), (4298, 4818)]