20586176

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:361

約数の個数: 56

約数和(自身を含む): 44592240

約数和(自身を除く): 24006064

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 109, 208, 218, 227, 416, 436, 454, 832, 872, 908, 1417, 1744, 1816, 2834, 2951, 3488, 3632, 5668, 5902, 6976, 7264, 11336, 11804, 14528, 22672, 23608, 24743, 45344, 47216, 49486, 90688, 94432, 98972, 188864, 197944, 321659, 395888, 643318, 791776, 1286636, 1583552, 2573272, 5146544, 10293088, 20586176]

約数ペア:

[(1, 20586176), (2, 10293088), (4, 5146544), (8, 2573272), (13, 1583552), (16, 1286636), (26, 791776), (32, 643318), (52, 395888), (64, 321659), (104, 197944), (109, 188864), (208, 98972), (218, 94432), (227, 90688), (416, 49486), (436, 47216), (454, 45344), (832, 24743), (872, 23608), (908, 22672), (1417, 14528), (1744, 11804), (1816, 11336), (2834, 7264), (2951, 6976), (3488, 5902), (3632, 5668)]