20239648

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4423}}^1$

素因数の和:4457

約数の個数: 48

約数和(自身を含む): 46823616

約数和(自身を除く): 26583968

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 176, 208, 286, 352, 416, 572, 1144, 2288, 4423, 4576, 8846, 17692, 35384, 48653, 57499, 70768, 97306, 114998, 141536, 194612, 229996, 389224, 459992, 632489, 778448, 919984, 1264978, 1556896, 1839968, 2529956, 5059912, 10119824, 20239648]

約数ペア:

[(1, 20239648), (2, 10119824), (4, 5059912), (8, 2529956), (11, 1839968), (13, 1556896), (16, 1264978), (22, 919984), (26, 778448), (32, 632489), (44, 459992), (52, 389224), (88, 229996), (104, 194612), (143, 141536), (176, 114998), (208, 97306), (286, 70768), (352, 57499), (416, 48653), (572, 35384), (1144, 17692), (2288, 8846), (4423, 4576)]