20405939404

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{503}}^1\times {\mathrm{100417}}^1$

素因数の和:101025

約数の個数: 24

約数和(自身を含む): 36136019808

約数和(自身を除く): 15730080404

約数列:

[1, 2, 4, 101, 202, 404, 503, 1006, 2012, 50803, 100417, 101606, 200834, 203212, 401668, 10142117, 20284234, 40568468, 50509751, 101019502, 202039004, 5101484851, 10202969702, 20405939404]

約数ペア:

[(1, 20405939404), (2, 10202969702), (4, 5101484851), (101, 202039004), (202, 101019502), (404, 50509751), (503, 40568468), (1006, 20284234), (2012, 10142117), (50803, 401668), (100417, 203212), (101606, 200834)]