20015704

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{601}}^1$

素因数の和:811

約数の個数: 32

約数和(自身を含む): 39443040

約数和(自身を除く): 19427336

約数列:

[1, 2, 4, 8, 23, 46, 92, 181, 184, 362, 601, 724, 1202, 1448, 2404, 4163, 4808, 8326, 13823, 16652, 27646, 33304, 55292, 108781, 110584, 217562, 435124, 870248, 2501963, 5003926, 10007852, 20015704]

約数ペア:

[(1, 20015704), (2, 10007852), (4, 5003926), (8, 2501963), (23, 870248), (46, 435124), (92, 217562), (181, 110584), (184, 108781), (362, 55292), (601, 33304), (724, 27646), (1202, 16652), (1448, 13823), (2404, 8326), (4163, 4808)]