20218986570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1907}}^1\times {\mathrm{8219}}^1$

素因数の和:10179

約数の個数: 64

約数和(自身を含む): 49686151680

約数和(自身を除く): 29467165110

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 1907, 3814, 5721, 8219, 9535, 11442, 16438, 19070, 24657, 28605, 41095, 49314, 57210, 82001, 82190, 123285, 164002, 246003, 246570, 353417, 410005, 492006, 706834, 820010, 1060251, 1230015, 1767085, 2120502, 2460030, 3534170, 5301255, 10602510, 15673633, 31347266, 47020899, 78368165, 94041798, 156736330, 235104495, 470208990, 673966219, 1347932438, 2021898657, 3369831095, 4043797314, 6739662190, 10109493285, 20218986570]

約数ペア:

[(1, 20218986570), (2, 10109493285), (3, 6739662190), (5, 4043797314), (6, 3369831095), (10, 2021898657), (15, 1347932438), (30, 673966219), (43, 470208990), (86, 235104495), (129, 156736330), (215, 94041798), (258, 78368165), (430, 47020899), (645, 31347266), (1290, 15673633), (1907, 10602510), (3814, 5301255), (5721, 3534170), (8219, 2460030), (9535, 2120502), (11442, 1767085), (16438, 1230015), (19070, 1060251), (24657, 820010), (28605, 706834), (41095, 492006), (49314, 410005), (57210, 353417), (82001, 246570), (82190, 246003), (123285, 164002)]