20238047560

素因数分解:

$2^3\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{448141}}^1$

素因数の和:449281

約数の個数: 32

約数和(自身を含む): 45576041400

約数和(自身を除く): 25337993840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1129, 2258, 4516, 5645, 9032, 11290, 22580, 45160, 448141, 896282, 1792564, 2240705, 3585128, 4481410, 8962820, 17925640, 505951189, 1011902378, 2023804756, 2529755945, 4047609512, 5059511890, 10119023780, 20238047560]

約数ペア:

[(1, 20238047560), (2, 10119023780), (4, 5059511890), (5, 4047609512), (8, 2529755945), (10, 2023804756), (20, 1011902378), (40, 505951189), (1129, 17925640), (2258, 8962820), (4516, 4481410), (5645, 3585128), (9032, 2240705), (11290, 1792564), (22580, 896282), (45160, 448141)]