20040390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5431}}^1$

素因数の和:5485

約数の個数: 48

約数和(自身を含む): 53385696

約数和(自身を除く): 33345306

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 41, 45, 82, 90, 123, 205, 246, 369, 410, 615, 738, 1230, 1845, 3690, 5431, 10862, 16293, 27155, 32586, 48879, 54310, 81465, 97758, 162930, 222671, 244395, 445342, 488790, 668013, 1113355, 1336026, 2004039, 2226710, 3340065, 4008078, 6680130, 10020195, 20040390]

約数ペア:

[(1, 20040390), (2, 10020195), (3, 6680130), (5, 4008078), (6, 3340065), (9, 2226710), (10, 2004039), (15, 1336026), (18, 1113355), (30, 668013), (41, 488790), (45, 445342), (82, 244395), (90, 222671), (123, 162930), (205, 97758), (246, 81465), (369, 54310), (410, 48879), (615, 32586), (738, 27155), (1230, 16293), (1845, 10862), (3690, 5431)]