20854054

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{811}}^1$

素因数の和:892

約数の個数: 32

約数和(自身を含む): 36013824

約数和(自身を除く): 15159770

約数列:

[1, 2, 13, 23, 26, 43, 46, 86, 299, 559, 598, 811, 989, 1118, 1622, 1978, 10543, 12857, 18653, 21086, 25714, 34873, 37306, 69746, 242489, 453349, 484978, 802079, 906698, 1604158, 10427027, 20854054]

約数ペア:

[(1, 20854054), (2, 10427027), (13, 1604158), (23, 906698), (26, 802079), (43, 484978), (46, 453349), (86, 242489), (299, 69746), (559, 37306), (598, 34873), (811, 25714), (989, 21086), (1118, 18653), (1622, 12857), (1978, 10543)]