20590336

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1$

素因数の和:321

約数の個数: 72

約数和(自身を含む): 46357920

約数和(自身を除く): 25767584

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 92, 104, 128, 184, 208, 256, 269, 299, 368, 416, 538, 598, 736, 832, 1076, 1196, 1472, 1664, 2152, 2392, 2944, 3328, 3497, 4304, 4784, 5888, 6187, 6994, 8608, 9568, 12374, 13988, 17216, 19136, 24748, 27976, 34432, 38272, 49496, 55952, 68864, 76544, 80431, 98992, 111904, 160862, 197984, 223808, 321724, 395968, 447616, 643448, 791936, 895232, 1286896, 1583872, 2573792, 5147584, 10295168, 20590336]

約数ペア:

[(1, 20590336), (2, 10295168), (4, 5147584), (8, 2573792), (13, 1583872), (16, 1286896), (23, 895232), (26, 791936), (32, 643448), (46, 447616), (52, 395968), (64, 321724), (92, 223808), (104, 197984), (128, 160862), (184, 111904), (208, 98992), (256, 80431), (269, 76544), (299, 68864), (368, 55952), (416, 49496), (538, 38272), (598, 34432), (736, 27976), (832, 24748), (1076, 19136), (1196, 17216), (1472, 13988), (1664, 12374), (2152, 9568), (2392, 8608), (2944, 6994), (3328, 6187), (3497, 5888), (4304, 4784)]