220403914

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{20939}}^1$

素因数の和:21237

約数の個数: 16

約数和(自身を含む): 349279200

約数和(自身を除く): 128875286

約数列:

[1, 2, 19, 38, 277, 554, 5263, 10526, 20939, 41878, 397841, 795682, 5800103, 11600206, 110201957, 220403914]

約数ペア:

[(1, 220403914), (2, 110201957), (19, 11600206), (38, 5800103), (277, 795682), (554, 397841), (5263, 41878), (10526, 20939)]