2020137140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{22511}}^1$

素因数の和:23168

約数の個数: 48

約数和(自身を含む): 4856108544

約数和(自身を除く): 2835971404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 641, 1282, 2564, 3205, 4487, 6410, 8974, 12820, 17948, 22435, 22511, 44870, 45022, 89740, 90044, 112555, 157577, 225110, 315154, 450220, 630308, 787885, 1575770, 3151540, 14429551, 28859102, 57718204, 72147755, 101006857, 144295510, 202013714, 288591020, 404027428, 505034285, 1010068570, 2020137140]

約数ペア:

[(1, 2020137140), (2, 1010068570), (4, 505034285), (5, 404027428), (7, 288591020), (10, 202013714), (14, 144295510), (20, 101006857), (28, 72147755), (35, 57718204), (70, 28859102), (140, 14429551), (641, 3151540), (1282, 1575770), (2564, 787885), (3205, 630308), (4487, 450220), (6410, 315154), (8974, 225110), (12820, 157577), (17948, 112555), (22435, 90044), (22511, 89740), (44870, 45022)]