20385312

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{12491}}^1$

素因数の和:12521

約数の個数: 48

約数和(自身を含む): 56663712

約数和(自身を除く): 36278400

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 96, 102, 136, 204, 272, 408, 544, 816, 1632, 12491, 24982, 37473, 49964, 74946, 99928, 149892, 199856, 212347, 299784, 399712, 424694, 599568, 637041, 849388, 1199136, 1274082, 1698776, 2548164, 3397552, 5096328, 6795104, 10192656, 20385312]

約数ペア:

[(1, 20385312), (2, 10192656), (3, 6795104), (4, 5096328), (6, 3397552), (8, 2548164), (12, 1698776), (16, 1274082), (17, 1199136), (24, 849388), (32, 637041), (34, 599568), (48, 424694), (51, 399712), (68, 299784), (96, 212347), (102, 199856), (136, 149892), (204, 99928), (272, 74946), (408, 49964), (544, 37473), (816, 24982), (1632, 12491)]