20808360

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19267}}^1$

素因数の和:19287

約数の個数: 64

約数和(自身を含む): 69364800

約数和(自身を除く): 48556440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 19267, 38534, 57801, 77068, 96335, 115602, 154136, 173403, 192670, 231204, 289005, 346806, 385340, 462408, 520209, 578010, 693612, 770680, 867015, 1040418, 1156020, 1387224, 1734030, 2080836, 2312040, 2601045, 3468060, 4161672, 5202090, 6936120, 10404180, 20808360]

約数ペア:

[(1, 20808360), (2, 10404180), (3, 6936120), (4, 5202090), (5, 4161672), (6, 3468060), (8, 2601045), (9, 2312040), (10, 2080836), (12, 1734030), (15, 1387224), (18, 1156020), (20, 1040418), (24, 867015), (27, 770680), (30, 693612), (36, 578010), (40, 520209), (45, 462408), (54, 385340), (60, 346806), (72, 289005), (90, 231204), (108, 192670), (120, 173403), (135, 154136), (180, 115602), (216, 96335), (270, 77068), (360, 57801), (540, 38534), (1080, 19267)]