20719638

素因数分解:

$2^1\times 3^8\times {\mathrm{1579}}^1$

素因数の和:1605

約数の個数: 36

約数和(自身を含む): 46646340

約数和(自身を除く): 25926702

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 1579, 2187, 3158, 4374, 4737, 6561, 9474, 13122, 14211, 28422, 42633, 85266, 127899, 255798, 383697, 767394, 1151091, 2302182, 3453273, 6906546, 10359819, 20719638]

約数ペア:

[(1, 20719638), (2, 10359819), (3, 6906546), (6, 3453273), (9, 2302182), (18, 1151091), (27, 767394), (54, 383697), (81, 255798), (162, 127899), (243, 85266), (486, 42633), (729, 28422), (1458, 14211), (1579, 13122), (2187, 9474), (3158, 6561), (4374, 4737)]