20430176

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{733}}^1$

素因数の和:823

約数の個数: 48

約数和(自身を含む): 44022384

約数和(自身を除く): 23592208

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 67, 104, 134, 208, 268, 416, 536, 733, 871, 1072, 1466, 1742, 2144, 2932, 3484, 5864, 6968, 9529, 11728, 13936, 19058, 23456, 27872, 38116, 49111, 76232, 98222, 152464, 196444, 304928, 392888, 638443, 785776, 1276886, 1571552, 2553772, 5107544, 10215088, 20430176]

約数ペア:

[(1, 20430176), (2, 10215088), (4, 5107544), (8, 2553772), (13, 1571552), (16, 1276886), (26, 785776), (32, 638443), (52, 392888), (67, 304928), (104, 196444), (134, 152464), (208, 98222), (268, 76232), (416, 49111), (536, 38116), (733, 27872), (871, 23456), (1072, 19058), (1466, 13936), (1742, 11728), (2144, 9529), (2932, 6968), (3484, 5864)]