20487792

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{32833}}^1$

素因数の和:32857

約数の個数: 40

約数和(自身を含む): 56999824

約数和(自身を除く): 36512032

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 32833, 65666, 98499, 131332, 196998, 262664, 393996, 426829, 525328, 787992, 853658, 1280487, 1575984, 1707316, 2560974, 3414632, 5121948, 6829264, 10243896, 20487792]

約数ペア:

[(1, 20487792), (2, 10243896), (3, 6829264), (4, 5121948), (6, 3414632), (8, 2560974), (12, 1707316), (13, 1575984), (16, 1280487), (24, 853658), (26, 787992), (39, 525328), (48, 426829), (52, 393996), (78, 262664), (104, 196998), (156, 131332), (208, 98499), (312, 65666), (624, 32833)]