20056498

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 40808448

約数和(自身を除く): 20751950

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 47, 77, 94, 119, 154, 163, 187, 238, 326, 329, 374, 517, 658, 799, 1034, 1141, 1309, 1598, 1793, 2282, 2618, 2771, 3586, 3619, 5542, 5593, 7238, 7661, 8789, 11186, 12551, 15322, 17578, 19397, 25102, 30481, 38794, 53627, 60962, 61523, 84271, 107254, 123046, 130237, 168542, 213367, 260474, 426734, 589897, 911659, 1179794, 1432607, 1823318, 2865214, 10028249, 20056498]

約数ペア:

[(1, 20056498), (2, 10028249), (7, 2865214), (11, 1823318), (14, 1432607), (17, 1179794), (22, 911659), (34, 589897), (47, 426734), (77, 260474), (94, 213367), (119, 168542), (154, 130237), (163, 123046), (187, 107254), (238, 84271), (326, 61523), (329, 60962), (374, 53627), (517, 38794), (658, 30481), (799, 25102), (1034, 19397), (1141, 17578), (1309, 15322), (1598, 12551), (1793, 11186), (2282, 8789), (2618, 7661), (2771, 7238), (3586, 5593), (3619, 5542)]