20914704

素因数分解:

$2^4\times 3^2\times {\mathrm{61}}^1\times {\mathrm{2381}}^1$

素因数の和:2456

約数の個数: 60

約数和(自身を含む): 59516652

約数和(自身を除く): 38601948

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 61, 72, 122, 144, 183, 244, 366, 488, 549, 732, 976, 1098, 1464, 2196, 2381, 2928, 4392, 4762, 7143, 8784, 9524, 14286, 19048, 21429, 28572, 38096, 42858, 57144, 85716, 114288, 145241, 171432, 290482, 342864, 435723, 580964, 871446, 1161928, 1307169, 1742892, 2323856, 2614338, 3485784, 5228676, 6971568, 10457352, 20914704]

約数ペア:

[(1, 20914704), (2, 10457352), (3, 6971568), (4, 5228676), (6, 3485784), (8, 2614338), (9, 2323856), (12, 1742892), (16, 1307169), (18, 1161928), (24, 871446), (36, 580964), (48, 435723), (61, 342864), (72, 290482), (122, 171432), (144, 145241), (183, 114288), (244, 85716), (366, 57144), (488, 42858), (549, 38096), (732, 28572), (976, 21429), (1098, 19048), (1464, 14286), (2196, 9524), (2381, 8784), (2928, 7143), (4392, 4762)]