20910162

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5471}}^1$

素因数の和:5503

約数の個数: 48

約数和(自身を含む): 52399872

約数和(自身を除く): 31489710

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 546, 637, 1274, 1911, 3822, 5471, 10942, 16413, 32826, 38297, 71123, 76594, 114891, 142246, 213369, 229782, 268079, 426738, 497861, 536158, 804237, 995722, 1493583, 1608474, 2987166, 3485027, 6970054, 10455081, 20910162]

約数ペア:

[(1, 20910162), (2, 10455081), (3, 6970054), (6, 3485027), (7, 2987166), (13, 1608474), (14, 1493583), (21, 995722), (26, 804237), (39, 536158), (42, 497861), (49, 426738), (78, 268079), (91, 229782), (98, 213369), (147, 142246), (182, 114891), (273, 76594), (294, 71123), (546, 38297), (637, 32826), (1274, 16413), (1911, 10942), (3822, 5471)]