20452280

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2677}}^1$

素因数の和:2879

約数の個数: 32

約数和(自身を含む): 46275840

約数和(自身を除く): 25823560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 2677, 3820, 5354, 7640, 10708, 13385, 21416, 26770, 53540, 107080, 511307, 1022614, 2045228, 2556535, 4090456, 5113070, 10226140, 20452280]

約数ペア:

[(1, 20452280), (2, 10226140), (4, 5113070), (5, 4090456), (8, 2556535), (10, 2045228), (20, 1022614), (40, 511307), (191, 107080), (382, 53540), (764, 26770), (955, 21416), (1528, 13385), (1910, 10708), (2677, 7640), (3820, 5354)]