11920460

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 26078976

約数和(自身を除く): 14158516

約数列:

[1, 2, 4, 5, 10, 20, 43, 83, 86, 166, 167, 172, 215, 332, 334, 415, 430, 668, 830, 835, 860, 1660, 1670, 3340, 3569, 7138, 7181, 13861, 14276, 14362, 17845, 27722, 28724, 35690, 35905, 55444, 69305, 71380, 71810, 138610, 143620, 277220, 596023, 1192046, 2384092, 2980115, 5960230, 11920460]

約数ペア:

[(1, 11920460), (2, 5960230), (4, 2980115), (5, 2384092), (10, 1192046), (20, 596023), (43, 277220), (83, 143620), (86, 138610), (166, 71810), (167, 71380), (172, 69305), (215, 55444), (332, 35905), (334, 35690), (415, 28724), (430, 27722), (668, 17845), (830, 14362), (835, 14276), (860, 13861), (1660, 7181), (1670, 7138), (3340, 3569)]