20237820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19841}}^1$

素因数の和:19870

約数の個数: 48

約数和(自身を含む): 60002208

約数和(自身を除く): 39764388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 19841, 39682, 59523, 79364, 99205, 119046, 198410, 238092, 297615, 337297, 396820, 595230, 674594, 1011891, 1190460, 1349188, 1686485, 2023782, 3372970, 4047564, 5059455, 6745940, 10118910, 20237820]

約数ペア:

[(1, 20237820), (2, 10118910), (3, 6745940), (4, 5059455), (5, 4047564), (6, 3372970), (10, 2023782), (12, 1686485), (15, 1349188), (17, 1190460), (20, 1011891), (30, 674594), (34, 595230), (51, 396820), (60, 337297), (68, 297615), (85, 238092), (102, 198410), (170, 119046), (204, 99205), (255, 79364), (340, 59523), (510, 39682), (1020, 19841)]