20034140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{20443}}^1$

素因数の和:20466

約数の個数: 36

約数和(自身を含む): 48942936

約数和(自身を除く): 28908796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 20443, 40886, 81772, 102215, 143101, 204430, 286202, 408860, 572404, 715505, 1001707, 1431010, 2003414, 2862020, 4006828, 5008535, 10017070, 20034140]

約数ペア:

[(1, 20034140), (2, 10017070), (4, 5008535), (5, 4006828), (7, 2862020), (10, 2003414), (14, 1431010), (20, 1001707), (28, 715505), (35, 572404), (49, 408860), (70, 286202), (98, 204430), (140, 143101), (196, 102215), (245, 81772), (490, 40886), (980, 20443)]