20563744

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{367}}^1$

素因数の和:497

約数の個数: 48

約数和(自身を含む): 43400448

約数和(自身を除く): 22836704

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 103, 136, 206, 272, 367, 412, 544, 734, 824, 1468, 1648, 1751, 2936, 3296, 3502, 5872, 6239, 7004, 11744, 12478, 14008, 24956, 28016, 37801, 49912, 56032, 75602, 99824, 151204, 199648, 302408, 604816, 642617, 1209632, 1285234, 2570468, 5140936, 10281872, 20563744]

約数ペア:

[(1, 20563744), (2, 10281872), (4, 5140936), (8, 2570468), (16, 1285234), (17, 1209632), (32, 642617), (34, 604816), (68, 302408), (103, 199648), (136, 151204), (206, 99824), (272, 75602), (367, 56032), (412, 49912), (544, 37801), (734, 28016), (824, 24956), (1468, 14008), (1648, 12478), (1751, 11744), (2936, 7004), (3296, 6239), (3502, 5872)]