20061392

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2243}}^1$

素因数の和:2307

約数の個数: 40

約数和(自身を含む): 42851424

約数和(自身を除く): 22790032

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 2243, 4472, 4486, 8944, 8972, 17944, 29159, 35888, 58318, 96449, 116636, 192898, 233272, 385796, 466544, 771592, 1253837, 1543184, 2507674, 5015348, 10030696, 20061392]

約数ペア:

[(1, 20061392), (2, 10030696), (4, 5015348), (8, 2507674), (13, 1543184), (16, 1253837), (26, 771592), (43, 466544), (52, 385796), (86, 233272), (104, 192898), (172, 116636), (208, 96449), (344, 58318), (559, 35888), (688, 29159), (1118, 17944), (2236, 8972), (2243, 8944), (4472, 4486)]