20054512

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{283}}^1$

素因数の和:437

約数の個数: 40

約数和(自身を含む): 40287104

約数和(自身を除く): 20232592

約数列:

[1, 2, 4, 8, 16, 43, 86, 103, 172, 206, 283, 344, 412, 566, 688, 824, 1132, 1648, 2264, 4429, 4528, 8858, 12169, 17716, 24338, 29149, 35432, 48676, 58298, 70864, 97352, 116596, 194704, 233192, 466384, 1253407, 2506814, 5013628, 10027256, 20054512]

約数ペア:

[(1, 20054512), (2, 10027256), (4, 5013628), (8, 2506814), (16, 1253407), (43, 466384), (86, 233192), (103, 194704), (172, 116596), (206, 97352), (283, 70864), (344, 58298), (412, 48676), (566, 35432), (688, 29149), (824, 24338), (1132, 17716), (1648, 12169), (2264, 8858), (4429, 4528)]