20710120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{22511}}^1$

素因数の和:22545

約数の個数: 32

約数和(自身を含む): 48625920

約数和(自身を除く): 27915800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 22511, 45022, 90044, 112555, 180088, 225110, 450220, 517753, 900440, 1035506, 2071012, 2588765, 4142024, 5177530, 10355060, 20710120]

約数ペア:

[(1, 20710120), (2, 10355060), (4, 5177530), (5, 4142024), (8, 2588765), (10, 2071012), (20, 1035506), (23, 900440), (40, 517753), (46, 450220), (92, 225110), (115, 180088), (184, 112555), (230, 90044), (460, 45022), (920, 22511)]