20974356

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{14939}}^1$

素因数の和:14965

約数の個数: 48

約数和(自身を含む): 58564800

約数和(自身を除く): 37590444

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 14939, 29878, 44817, 59756, 89634, 134451, 179268, 194207, 268902, 388414, 403353, 537804, 582621, 776828, 806706, 1165242, 1613412, 1747863, 2330484, 3495726, 5243589, 6991452, 10487178, 20974356]

約数ペア:

[(1, 20974356), (2, 10487178), (3, 6991452), (4, 5243589), (6, 3495726), (9, 2330484), (12, 1747863), (13, 1613412), (18, 1165242), (26, 806706), (27, 776828), (36, 582621), (39, 537804), (52, 403353), (54, 388414), (78, 268902), (108, 194207), (117, 179268), (156, 134451), (234, 89634), (351, 59756), (468, 44817), (702, 29878), (1404, 14939)]