20622972

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2351}}^1$

素因数の和:2418

約数の個数: 48

約数和(自身を含む): 52157952

約数和(自身を除く): 31534980

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 43, 51, 68, 86, 102, 129, 172, 204, 258, 516, 731, 1462, 2193, 2351, 2924, 4386, 4702, 7053, 8772, 9404, 14106, 28212, 39967, 79934, 101093, 119901, 159868, 202186, 239802, 303279, 404372, 479604, 606558, 1213116, 1718581, 3437162, 5155743, 6874324, 10311486, 20622972]

約数ペア:

[(1, 20622972), (2, 10311486), (3, 6874324), (4, 5155743), (6, 3437162), (12, 1718581), (17, 1213116), (34, 606558), (43, 479604), (51, 404372), (68, 303279), (86, 239802), (102, 202186), (129, 159868), (172, 119901), (204, 101093), (258, 79934), (516, 39967), (731, 28212), (1462, 14106), (2193, 9404), (2351, 8772), (2924, 7053), (4386, 4702)]