22280020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3701}}^1$

素因数の和:3760

約数の個数: 48

約数和(自身を含む): 54730368

約数和(自身を除く): 32450348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 3701, 6020, 7402, 14804, 18505, 25907, 37010, 51814, 74020, 103628, 129535, 159143, 259070, 318286, 518140, 636572, 795715, 1114001, 1591430, 2228002, 3182860, 4456004, 5570005, 11140010, 22280020]

約数ペア:

[(1, 22280020), (2, 11140010), (4, 5570005), (5, 4456004), (7, 3182860), (10, 2228002), (14, 1591430), (20, 1114001), (28, 795715), (35, 636572), (43, 518140), (70, 318286), (86, 259070), (140, 159143), (172, 129535), (215, 103628), (301, 74020), (430, 51814), (602, 37010), (860, 25907), (1204, 18505), (1505, 14804), (3010, 7402), (3701, 6020)]