20972052

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{4447}}^1$

素因数の和:4588

約数の個数: 36

約数和(自身を含む): 53429376

約数和(自身を除く): 32457324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 262, 393, 524, 786, 1179, 1572, 2358, 4447, 4716, 8894, 13341, 17788, 26682, 40023, 53364, 80046, 160092, 582557, 1165114, 1747671, 2330228, 3495342, 5243013, 6990684, 10486026, 20972052]

約数ペア:

[(1, 20972052), (2, 10486026), (3, 6990684), (4, 5243013), (6, 3495342), (9, 2330228), (12, 1747671), (18, 1165114), (36, 582557), (131, 160092), (262, 80046), (393, 53364), (524, 40023), (786, 26682), (1179, 17788), (1572, 13341), (2358, 8894), (4447, 4716)]