20484508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 41731200

約数和(自身を除く): 21246692

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 107, 209, 214, 229, 418, 428, 458, 836, 916, 1177, 2033, 2354, 2519, 4066, 4351, 4708, 5038, 8132, 8702, 10076, 17404, 22363, 24503, 44726, 47861, 49006, 89452, 95722, 98012, 191444, 269533, 465557, 539066, 931114, 1078132, 1862228, 5121127, 10242254, 20484508]

約数ペア:

[(1, 20484508), (2, 10242254), (4, 5121127), (11, 1862228), (19, 1078132), (22, 931114), (38, 539066), (44, 465557), (76, 269533), (107, 191444), (209, 98012), (214, 95722), (229, 89452), (418, 49006), (428, 47861), (458, 44726), (836, 24503), (916, 22363), (1177, 17404), (2033, 10076), (2354, 8702), (2519, 8132), (4066, 5038), (4351, 4708)]