20710020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1907}}^1$

素因数の和:2100

約数の個数: 48

約数和(自身を含む): 58339008

約数和(自身を除く): 37628988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 181, 362, 543, 724, 905, 1086, 1810, 1907, 2172, 2715, 3620, 3814, 5430, 5721, 7628, 9535, 10860, 11442, 19070, 22884, 28605, 38140, 57210, 114420, 345167, 690334, 1035501, 1380668, 1725835, 2071002, 3451670, 4142004, 5177505, 6903340, 10355010, 20710020]

約数ペア:

[(1, 20710020), (2, 10355010), (3, 6903340), (4, 5177505), (5, 4142004), (6, 3451670), (10, 2071002), (12, 1725835), (15, 1380668), (20, 1035501), (30, 690334), (60, 345167), (181, 114420), (362, 57210), (543, 38140), (724, 28605), (905, 22884), (1086, 19070), (1810, 11442), (1907, 10860), (2172, 9535), (2715, 7628), (3620, 5721), (3814, 5430)]