20025016

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 41847120

約数和(自身を除く): 21822104

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 137, 151, 242, 274, 302, 484, 548, 604, 968, 1096, 1208, 1507, 1661, 3014, 3322, 6028, 6644, 12056, 13288, 16577, 18271, 20687, 33154, 36542, 41374, 66308, 73084, 82748, 132616, 146168, 165496, 227557, 455114, 910228, 1820456, 2503127, 5006254, 10012508, 20025016]

約数ペア:

[(1, 20025016), (2, 10012508), (4, 5006254), (8, 2503127), (11, 1820456), (22, 910228), (44, 455114), (88, 227557), (121, 165496), (137, 146168), (151, 132616), (242, 82748), (274, 73084), (302, 66308), (484, 41374), (548, 36542), (604, 33154), (968, 20687), (1096, 18271), (1208, 16577), (1507, 13288), (1661, 12056), (3014, 6644), (3322, 6028)]