20218507610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{15661}}^1\times {\mathrm{18443}}^1$

素因数の和:34118

約数の個数: 32

約数和(自身を含む): 41597269632

約数和(自身を除く): 21378762022

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 15661, 18443, 31322, 36886, 78305, 92215, 109627, 129101, 156610, 184430, 219254, 258202, 548135, 645505, 1096270, 1291010, 288835823, 577671646, 1444179115, 2021850761, 2888358230, 4043701522, 10109253805, 20218507610]

約数ペア:

[(1, 20218507610), (2, 10109253805), (5, 4043701522), (7, 2888358230), (10, 2021850761), (14, 1444179115), (35, 577671646), (70, 288835823), (15661, 1291010), (18443, 1096270), (31322, 645505), (36886, 548135), (78305, 258202), (92215, 219254), (109627, 184430), (129101, 156610)]