20945268

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{12379}}^1$

素因数の和:12436

約数の個数: 36

約数和(自身を含む): 54075840

約数和(自身を除く): 33130572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 564, 846, 1692, 12379, 24758, 37137, 49516, 74274, 111411, 148548, 222822, 445644, 581813, 1163626, 1745439, 2327252, 3490878, 5236317, 6981756, 10472634, 20945268]

約数ペア:

[(1, 20945268), (2, 10472634), (3, 6981756), (4, 5236317), (6, 3490878), (9, 2327252), (12, 1745439), (18, 1163626), (36, 581813), (47, 445644), (94, 222822), (141, 148548), (188, 111411), (282, 74274), (423, 49516), (564, 37137), (846, 24758), (1692, 12379)]