20007190

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 44352000

約数和(自身を除く): 24344810

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 307, 343, 490, 614, 665, 686, 931, 1330, 1535, 1715, 1862, 2149, 3070, 3430, 4298, 4655, 5833, 6517, 9310, 10745, 11666, 13034, 15043, 21490, 29165, 30086, 32585, 40831, 58330, 65170, 75215, 81662, 105301, 150430, 204155, 210602, 285817, 408310, 526505, 571634, 1053010, 1429085, 2000719, 2858170, 4001438, 10003595, 20007190]

約数ペア:

[(1, 20007190), (2, 10003595), (5, 4001438), (7, 2858170), (10, 2000719), (14, 1429085), (19, 1053010), (35, 571634), (38, 526505), (49, 408310), (70, 285817), (95, 210602), (98, 204155), (133, 150430), (190, 105301), (245, 81662), (266, 75215), (307, 65170), (343, 58330), (490, 40831), (614, 32585), (665, 30086), (686, 29165), (931, 21490), (1330, 15043), (1535, 13034), (1715, 11666), (1862, 10745), (2149, 9310), (3070, 6517), (3430, 5833), (4298, 4655)]