20121408

素因数分解:

$2^6\times 3^2\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:392

約数の個数: 84

約数和(自身を含む): 58293508

約数和(自身を除く): 38172100

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 181, 192, 193, 288, 362, 386, 543, 576, 579, 724, 772, 1086, 1158, 1448, 1544, 1629, 1737, 2172, 2316, 2896, 3088, 3258, 3474, 4344, 4632, 5792, 6176, 6516, 6948, 8688, 9264, 11584, 12352, 13032, 13896, 17376, 18528, 26064, 27792, 34752, 34933, 37056, 52128, 55584, 69866, 104256, 104799, 111168, 139732, 209598, 279464, 314397, 419196, 558928, 628794, 838392, 1117856, 1257588, 1676784, 2235712, 2515176, 3353568, 5030352, 6707136, 10060704, 20121408]

約数ペア:

[(1, 20121408), (2, 10060704), (3, 6707136), (4, 5030352), (6, 3353568), (8, 2515176), (9, 2235712), (12, 1676784), (16, 1257588), (18, 1117856), (24, 838392), (32, 628794), (36, 558928), (48, 419196), (64, 314397), (72, 279464), (96, 209598), (144, 139732), (181, 111168), (192, 104799), (193, 104256), (288, 69866), (362, 55584), (386, 52128), (543, 37056), (576, 34933), (579, 34752), (724, 27792), (772, 26064), (1086, 18528), (1158, 17376), (1448, 13896), (1544, 13032), (1629, 12352), (1737, 11584), (2172, 9264), (2316, 8688), (2896, 6948), (3088, 6516), (3258, 6176), (3474, 5792), (4344, 4632)]