20431406

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{541}}^1\times {\mathrm{821}}^1$

素因数の和:1387

約数の個数: 16

約数和(自身を含む): 32077728

約数和(自身を除く): 11646322

約数列:

[1, 2, 23, 46, 541, 821, 1082, 1642, 12443, 18883, 24886, 37766, 444161, 888322, 10215703, 20431406]

約数ペア:

[(1, 20431406), (2, 10215703), (23, 888322), (46, 444161), (541, 37766), (821, 24886), (1082, 18883), (1642, 12443)]