20098918

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:317

約数の個数: 48

約数和(自身を含む): 37740384

約数和(自身を除く): 17641466

約数列:

[1, 2, 7, 14, 23, 37, 46, 49, 74, 98, 161, 241, 259, 322, 482, 518, 851, 1127, 1687, 1702, 1813, 2254, 3374, 3626, 5543, 5957, 8917, 11086, 11809, 11914, 17834, 23618, 38801, 41699, 62419, 77602, 83398, 124838, 205091, 271607, 410182, 436933, 543214, 873866, 1435637, 2871274, 10049459, 20098918]

約数ペア:

[(1, 20098918), (2, 10049459), (7, 2871274), (14, 1435637), (23, 873866), (37, 543214), (46, 436933), (49, 410182), (74, 271607), (98, 205091), (161, 124838), (241, 83398), (259, 77602), (322, 62419), (482, 41699), (518, 38801), (851, 23618), (1127, 17834), (1687, 11914), (1702, 11809), (1813, 11086), (2254, 8917), (3374, 5957), (3626, 5543)]