16912420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1129}}^1$

素因数の和:1252

約数の個数: 48

約数和(自身を含む): 41005440

約数和(自身を除く): 24093020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1129, 1498, 2140, 2258, 2996, 3745, 4516, 5645, 7490, 7903, 11290, 14980, 15806, 22580, 31612, 39515, 79030, 120803, 158060, 241606, 483212, 604015, 845621, 1208030, 1691242, 2416060, 3382484, 4228105, 8456210, 16912420]

約数ペア:

[(1, 16912420), (2, 8456210), (4, 4228105), (5, 3382484), (7, 2416060), (10, 1691242), (14, 1208030), (20, 845621), (28, 604015), (35, 483212), (70, 241606), (107, 158060), (140, 120803), (214, 79030), (428, 39515), (535, 31612), (749, 22580), (1070, 15806), (1129, 14980), (1498, 11290), (2140, 7903), (2258, 7490), (2996, 5645), (3745, 4516)]