22820720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21943}}^1$

素因数の和:21969

約数の個数: 40

約数和(自身を含む): 57142176

約数和(自身を除く): 34321456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 21943, 43886, 87772, 109715, 175544, 219430, 285259, 351088, 438860, 570518, 877720, 1141036, 1426295, 1755440, 2282072, 2852590, 4564144, 5705180, 11410360, 22820720]

約数ペア:

[(1, 22820720), (2, 11410360), (4, 5705180), (5, 4564144), (8, 2852590), (10, 2282072), (13, 1755440), (16, 1426295), (20, 1141036), (26, 877720), (40, 570518), (52, 438860), (65, 351088), (80, 285259), (104, 219430), (130, 175544), (208, 109715), (260, 87772), (520, 43886), (1040, 21943)]