20842228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{3137}}^1$

素因数の和:3303

約数の個数: 24

約数和(自身を含む): 40065984

約数和(自身を除く): 19223756

約数列:

[1, 2, 4, 11, 22, 44, 151, 302, 604, 1661, 3137, 3322, 6274, 6644, 12548, 34507, 69014, 138028, 473687, 947374, 1894748, 5210557, 10421114, 20842228]

約数ペア:

[(1, 20842228), (2, 10421114), (4, 5210557), (11, 1894748), (22, 947374), (44, 473687), (151, 138028), (302, 69014), (604, 34507), (1661, 12548), (3137, 6644), (3322, 6274)]