20280348

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:464

約数の個数: 96

約数和(自身を含む): 58840320

約数和(自身を除く): 38559972

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 43, 44, 54, 66, 86, 99, 108, 129, 132, 172, 198, 258, 297, 387, 396, 397, 473, 516, 594, 774, 794, 946, 1161, 1188, 1191, 1419, 1548, 1588, 1892, 2322, 2382, 2838, 3573, 4257, 4367, 4644, 4764, 5676, 7146, 8514, 8734, 10719, 12771, 13101, 14292, 17028, 17071, 17468, 21438, 25542, 26202, 34142, 39303, 42876, 51084, 51213, 52404, 68284, 78606, 102426, 117909, 153639, 157212, 187781, 204852, 235818, 307278, 375562, 460917, 471636, 563343, 614556, 751124, 921834, 1126686, 1690029, 1843668, 2253372, 3380058, 5070087, 6760116, 10140174, 20280348]

約数ペア:

[(1, 20280348), (2, 10140174), (3, 6760116), (4, 5070087), (6, 3380058), (9, 2253372), (11, 1843668), (12, 1690029), (18, 1126686), (22, 921834), (27, 751124), (33, 614556), (36, 563343), (43, 471636), (44, 460917), (54, 375562), (66, 307278), (86, 235818), (99, 204852), (108, 187781), (129, 157212), (132, 153639), (172, 117909), (198, 102426), (258, 78606), (297, 68284), (387, 52404), (396, 51213), (397, 51084), (473, 42876), (516, 39303), (594, 34142), (774, 26202), (794, 25542), (946, 21438), (1161, 17468), (1188, 17071), (1191, 17028), (1419, 14292), (1548, 13101), (1588, 12771), (1892, 10719), (2322, 8734), (2382, 8514), (2838, 7146), (3573, 5676), (4257, 4764), (4367, 4644)]