20247711

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{751}}^1$

素因数の和:827

約数の個数: 32

約数和(自身を含む): 31764480

約数和(自身を除く): 11516769

約数列:

[1, 3, 11, 19, 33, 43, 57, 129, 209, 473, 627, 751, 817, 1419, 2253, 2451, 8261, 8987, 14269, 24783, 26961, 32293, 42807, 96879, 156959, 355223, 470877, 613567, 1065669, 1840701, 6749237, 20247711]

約数ペア:

[(1, 20247711), (3, 6749237), (11, 1840701), (19, 1065669), (33, 613567), (43, 470877), (57, 355223), (129, 156959), (209, 96879), (473, 42807), (627, 32293), (751, 26961), (817, 24783), (1419, 14269), (2253, 8987), (2451, 8261)]