20411120

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{11093}}^1$

素因数の和:11129

約数の個数: 40

約数和(自身を含む): 49523616

約数和(自身を除く): 29112496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 11093, 22186, 44372, 55465, 88744, 110930, 177488, 221860, 255139, 443720, 510278, 887440, 1020556, 1275695, 2041112, 2551390, 4082224, 5102780, 10205560, 20411120]

約数ペア:

[(1, 20411120), (2, 10205560), (4, 5102780), (5, 4082224), (8, 2551390), (10, 2041112), (16, 1275695), (20, 1020556), (23, 887440), (40, 510278), (46, 443720), (80, 255139), (92, 221860), (115, 177488), (184, 110930), (230, 88744), (368, 55465), (460, 44372), (920, 22186), (1840, 11093)]