20440020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{769}}^1$

素因数の和:1224

約数の個数: 48

約数和(自身を含む): 57435840

約数和(自身を除く): 36995820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 443, 769, 886, 1329, 1538, 1772, 2215, 2307, 2658, 3076, 3845, 4430, 4614, 5316, 6645, 7690, 8860, 9228, 11535, 13290, 15380, 23070, 26580, 46140, 340667, 681334, 1022001, 1362668, 1703335, 2044002, 3406670, 4088004, 5110005, 6813340, 10220010, 20440020]

約数ペア:

[(1, 20440020), (2, 10220010), (3, 6813340), (4, 5110005), (5, 4088004), (6, 3406670), (10, 2044002), (12, 1703335), (15, 1362668), (20, 1022001), (30, 681334), (60, 340667), (443, 46140), (769, 26580), (886, 23070), (1329, 15380), (1538, 13290), (1772, 11535), (2215, 9228), (2307, 8860), (2658, 7690), (3076, 6645), (3845, 5316), (4430, 4614)]