20218170

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2239}}^1$

素因数の和:2299

約数の個数: 64

約数和(自身を含む): 56770560

約数和(自身を除く): 36552390

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 70, 86, 105, 129, 210, 215, 258, 301, 430, 602, 645, 903, 1290, 1505, 1806, 2239, 3010, 4478, 4515, 6717, 9030, 11195, 13434, 15673, 22390, 31346, 33585, 47019, 67170, 78365, 94038, 96277, 156730, 192554, 235095, 288831, 470190, 481385, 577662, 673939, 962770, 1347878, 1444155, 2021817, 2888310, 3369695, 4043634, 6739390, 10109085, 20218170]

約数ペア:

[(1, 20218170), (2, 10109085), (3, 6739390), (5, 4043634), (6, 3369695), (7, 2888310), (10, 2021817), (14, 1444155), (15, 1347878), (21, 962770), (30, 673939), (35, 577662), (42, 481385), (43, 470190), (70, 288831), (86, 235095), (105, 192554), (129, 156730), (210, 96277), (215, 94038), (258, 78365), (301, 67170), (430, 47019), (602, 33585), (645, 31346), (903, 22390), (1290, 15673), (1505, 13434), (1806, 11195), (2239, 9030), (3010, 6717), (4478, 4515)]