20626018

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{503}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 16387742

約数列:

[1, 2, 7, 14, 29, 58, 101, 202, 203, 406, 503, 707, 1006, 1414, 2929, 3521, 5858, 7042, 14587, 20503, 29174, 41006, 50803, 101606, 102109, 204218, 355621, 711242, 1473287, 2946574, 10313009, 20626018]

約数ペア:

[(1, 20626018), (2, 10313009), (7, 2946574), (14, 1473287), (29, 711242), (58, 355621), (101, 204218), (202, 102109), (203, 101606), (406, 50803), (503, 41006), (707, 29174), (1006, 20503), (1414, 14587), (2929, 7042), (3521, 5858)]