20416656

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{32719}}^1$

素因数の和:32743

約数の個数: 40

約数和(自身を含む): 56801920

約数和(自身を除く): 36385264

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 32719, 65438, 98157, 130876, 196314, 261752, 392628, 425347, 523504, 785256, 850694, 1276041, 1570512, 1701388, 2552082, 3402776, 5104164, 6805552, 10208328, 20416656]

約数ペア:

[(1, 20416656), (2, 10208328), (3, 6805552), (4, 5104164), (6, 3402776), (8, 2552082), (12, 1701388), (13, 1570512), (16, 1276041), (24, 850694), (26, 785256), (39, 523504), (48, 425347), (52, 392628), (78, 261752), (104, 196314), (156, 130876), (208, 98157), (312, 65438), (624, 32719)]