20043160

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^2\times {\mathrm{271}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 46340640

約数和(自身を除く): 26297480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 271, 344, 430, 542, 860, 1084, 1355, 1720, 1849, 2168, 2710, 3698, 5420, 7396, 9245, 10840, 11653, 14792, 18490, 23306, 36980, 46612, 58265, 73960, 93224, 116530, 233060, 466120, 501079, 1002158, 2004316, 2505395, 4008632, 5010790, 10021580, 20043160]

約数ペア:

[(1, 20043160), (2, 10021580), (4, 5010790), (5, 4008632), (8, 2505395), (10, 2004316), (20, 1002158), (40, 501079), (43, 466120), (86, 233060), (172, 116530), (215, 93224), (271, 73960), (344, 58265), (430, 46612), (542, 36980), (860, 23306), (1084, 18490), (1355, 14792), (1720, 11653), (1849, 10840), (2168, 9245), (2710, 7396), (3698, 5420)]