20103654

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{661}}^1$

素因数の和:840

約数の個数: 32

約数和(自身を含む): 41658336

約数和(自身を除く): 21554682

約数列:

[1, 2, 3, 6, 37, 74, 111, 137, 222, 274, 411, 661, 822, 1322, 1983, 3966, 5069, 10138, 15207, 24457, 30414, 48914, 73371, 90557, 146742, 181114, 271671, 543342, 3350609, 6701218, 10051827, 20103654]

約数ペア:

[(1, 20103654), (2, 10051827), (3, 6701218), (6, 3350609), (37, 543342), (74, 271671), (111, 181114), (137, 146742), (222, 90557), (274, 73371), (411, 48914), (661, 30414), (822, 24457), (1322, 15207), (1983, 10138), (3966, 5069)]