20795008

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{12497}}^1$

素因数の和:12524

約数の個数: 32

約数和(自身を含む): 44617860

約数和(自身を除く): 23822852

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 12497, 24994, 49988, 99976, 162461, 199952, 324922, 399904, 649844, 799808, 1299688, 1599616, 2599376, 5198752, 10397504, 20795008]

約数ペア:

[(1, 20795008), (2, 10397504), (4, 5198752), (8, 2599376), (13, 1599616), (16, 1299688), (26, 799808), (32, 649844), (52, 399904), (64, 324922), (104, 199952), (128, 162461), (208, 99976), (416, 49988), (832, 24994), (1664, 12497)]