20586948616

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{109547}}^1$

素因数の和:109718

約数の個数: 48

約数和(自身を含む): 42099296400

約数和(自身を除く): 21512347784

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 139, 169, 278, 338, 556, 676, 1112, 1352, 1807, 3614, 7228, 14456, 23491, 46982, 93964, 109547, 187928, 219094, 438188, 876376, 1424111, 2848222, 5696444, 11392888, 15227033, 18513443, 30454066, 37026886, 60908132, 74053772, 121816264, 148107544, 197951429, 395902858, 791805716, 1583611432, 2573368577, 5146737154, 10293474308, 20586948616]

約数ペア:

[(1, 20586948616), (2, 10293474308), (4, 5146737154), (8, 2573368577), (13, 1583611432), (26, 791805716), (52, 395902858), (104, 197951429), (139, 148107544), (169, 121816264), (278, 74053772), (338, 60908132), (556, 37026886), (676, 30454066), (1112, 18513443), (1352, 15227033), (1807, 11392888), (3614, 5696444), (7228, 2848222), (14456, 1424111), (23491, 876376), (46982, 438188), (93964, 219094), (109547, 187928)]