20806879660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13297}}^1\times {\mathrm{11177}}^1$

素因数の和:24490

約数の個数: 48

約数和(自身を含む): 49944734784

約数和(自身を除く): 29137855124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 11177, 13297, 22354, 26594, 44708, 53188, 55885, 66485, 78239, 93079, 111770, 132970, 156478, 186158, 223540, 265940, 312956, 372316, 391195, 465395, 782390, 930790, 1564780, 1861580, 148620569, 297241138, 594482276, 743102845, 1040343983, 1486205690, 2080687966, 2972411380, 4161375932, 5201719915, 10403439830, 20806879660]

約数ペア:

[(1, 20806879660), (2, 10403439830), (4, 5201719915), (5, 4161375932), (7, 2972411380), (10, 2080687966), (14, 1486205690), (20, 1040343983), (28, 743102845), (35, 594482276), (70, 297241138), (140, 148620569), (11177, 1861580), (13297, 1564780), (22354, 930790), (26594, 782390), (44708, 465395), (53188, 391195), (55885, 372316), (66485, 312956), (78239, 265940), (93079, 223540), (111770, 186158), (132970, 156478)]