20956122

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{971}}^1$

素因数の和:1099

約数の個数: 48

約数和(自身を含む): 50038560

約数和(自身を除く): 29082438

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 109, 198, 218, 327, 654, 971, 981, 1199, 1942, 1962, 2398, 2913, 3597, 5826, 7194, 8739, 10681, 10791, 17478, 21362, 21582, 32043, 64086, 96129, 105839, 192258, 211678, 317517, 635034, 952551, 1164229, 1905102, 2328458, 3492687, 6985374, 10478061, 20956122]

約数ペア:

[(1, 20956122), (2, 10478061), (3, 6985374), (6, 3492687), (9, 2328458), (11, 1905102), (18, 1164229), (22, 952551), (33, 635034), (66, 317517), (99, 211678), (109, 192258), (198, 105839), (218, 96129), (327, 64086), (654, 32043), (971, 21582), (981, 21362), (1199, 17478), (1942, 10791), (1962, 10681), (2398, 8739), (2913, 7194), (3597, 5826)]