20896452

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{13499}}^1$

素因数の和:13552

約数の個数: 36

約数和(自身を含む): 54054000

約数和(自身を除く): 33157548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 13499, 26998, 40497, 53996, 80994, 121491, 161988, 242982, 485964, 580457, 1160914, 1741371, 2321828, 3482742, 5224113, 6965484, 10448226, 20896452]

約数ペア:

[(1, 20896452), (2, 10448226), (3, 6965484), (4, 5224113), (6, 3482742), (9, 2321828), (12, 1741371), (18, 1160914), (36, 580457), (43, 485964), (86, 242982), (129, 161988), (172, 121491), (258, 80994), (387, 53996), (516, 40497), (774, 26998), (1548, 13499)]