20213300

素因数分解:

$2^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{1543}}^1$

素因数の和:1688

約数の個数: 36

約数和(自身を含む): 44226336

約数和(自身を除く): 24013036

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 131, 262, 524, 655, 1310, 1543, 2620, 3086, 3275, 6172, 6550, 7715, 13100, 15430, 30860, 38575, 77150, 154300, 202133, 404266, 808532, 1010665, 2021330, 4042660, 5053325, 10106650, 20213300]

約数ペア:

[(1, 20213300), (2, 10106650), (4, 5053325), (5, 4042660), (10, 2021330), (20, 1010665), (25, 808532), (50, 404266), (100, 202133), (131, 154300), (262, 77150), (524, 38575), (655, 30860), (1310, 15430), (1543, 13100), (2620, 7715), (3086, 6550), (3275, 6172)]