20642300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{797}}^1$

素因数の和:855

約数の個数: 72

約数和(自身を含む): 52642464

約数和(自身を除く): 32000164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 37, 50, 70, 74, 100, 140, 148, 175, 185, 259, 350, 370, 518, 700, 740, 797, 925, 1036, 1295, 1594, 1850, 2590, 3188, 3700, 3985, 5180, 5579, 6475, 7970, 11158, 12950, 15940, 19925, 22316, 25900, 27895, 29489, 39850, 55790, 58978, 79700, 111580, 117956, 139475, 147445, 206423, 278950, 294890, 412846, 557900, 589780, 737225, 825692, 1032115, 1474450, 2064230, 2948900, 4128460, 5160575, 10321150, 20642300]

約数ペア:

[(1, 20642300), (2, 10321150), (4, 5160575), (5, 4128460), (7, 2948900), (10, 2064230), (14, 1474450), (20, 1032115), (25, 825692), (28, 737225), (35, 589780), (37, 557900), (50, 412846), (70, 294890), (74, 278950), (100, 206423), (140, 147445), (148, 139475), (175, 117956), (185, 111580), (259, 79700), (350, 58978), (370, 55790), (518, 39850), (700, 29489), (740, 27895), (797, 25900), (925, 22316), (1036, 19925), (1295, 15940), (1594, 12950), (1850, 11158), (2590, 7970), (3188, 6475), (3700, 5579), (3985, 5180)]