20462340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1327}}^1$

素因数の和:1596

約数の個数: 48

約数和(自身を含む): 57560832

約数和(自身を除く): 37098492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 257, 514, 771, 1028, 1285, 1327, 1542, 2570, 2654, 3084, 3855, 3981, 5140, 5308, 6635, 7710, 7962, 13270, 15420, 15924, 19905, 26540, 39810, 79620, 341039, 682078, 1023117, 1364156, 1705195, 2046234, 3410390, 4092468, 5115585, 6820780, 10231170, 20462340]

約数ペア:

[(1, 20462340), (2, 10231170), (3, 6820780), (4, 5115585), (5, 4092468), (6, 3410390), (10, 2046234), (12, 1705195), (15, 1364156), (20, 1023117), (30, 682078), (60, 341039), (257, 79620), (514, 39810), (771, 26540), (1028, 19905), (1285, 15924), (1327, 15420), (1542, 13270), (2570, 7962), (2654, 7710), (3084, 6635), (3855, 5308), (3981, 5140)]