20121479168

素因数分解:

$2^{11}\times 7^2\times {\mathrm{43}}^1\times {\mathrm{4663}}^1$

素因数の和:4742

約数の個数: 144

約数和(自身を含む): 47900492640

約数和(自身を除く): 27779013472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 49, 56, 64, 86, 98, 112, 128, 172, 196, 224, 256, 301, 344, 392, 448, 512, 602, 688, 784, 896, 1024, 1204, 1376, 1568, 1792, 2048, 2107, 2408, 2752, 3136, 3584, 4214, 4663, 4816, 5504, 6272, 7168, 8428, 9326, 9632, 11008, 12544, 14336, 16856, 18652, 19264, 22016, 25088, 32641, 33712, 37304, 38528, 44032, 50176, 65282, 67424, 74608, 77056, 88064, 100352, 130564, 134848, 149216, 154112, 200509, 228487, 261128, 269696, 298432, 308224, 401018, 456974, 522256, 539392, 596864, 616448, 802036, 913948, 1044512, 1078784, 1193728, 1403563, 1604072, 1827896, 2089024, 2157568, 2387456, 2807126, 3208144, 3655792, 4178048, 4315136, 4774912, 5614252, 6416288, 7311584, 8356096, 9549824, 9824941, 11228504, 12832576, 14623168, 16712192, 19649882, 22457008, 25665152, 29246336, 33424384, 39299764, 44914016, 51330304, 58492672, 66848768, 78599528, 89828032, 102660608, 116985344, 157199056, 179656064, 205321216, 233970688, 314398112, 359312128, 410642432, 467941376, 628796224, 718624256, 1257592448, 1437248512, 2515184896, 2874497024, 5030369792, 10060739584, 20121479168]

約数ペア:

[(1, 20121479168), (2, 10060739584), (4, 5030369792), (7, 2874497024), (8, 2515184896), (14, 1437248512), (16, 1257592448), (28, 718624256), (32, 628796224), (43, 467941376), (49, 410642432), (56, 359312128), (64, 314398112), (86, 233970688), (98, 205321216), (112, 179656064), (128, 157199056), (172, 116985344), (196, 102660608), (224, 89828032), (256, 78599528), (301, 66848768), (344, 58492672), (392, 51330304), (448, 44914016), (512, 39299764), (602, 33424384), (688, 29246336), (784, 25665152), (896, 22457008), (1024, 19649882), (1204, 16712192), (1376, 14623168), (1568, 12832576), (1792, 11228504), (2048, 9824941), (2107, 9549824), (2408, 8356096), (2752, 7311584), (3136, 6416288), (3584, 5614252), (4214, 4774912), (4663, 4315136), (4816, 4178048), (5504, 3655792), (6272, 3208144), (7168, 2807126), (8428, 2387456), (9326, 2157568), (9632, 2089024), (11008, 1827896), (12544, 1604072), (14336, 1403563), (16856, 1193728), (18652, 1078784), (19264, 1044512), (22016, 913948), (25088, 802036), (32641, 616448), (33712, 596864), (37304, 539392), (38528, 522256), (44032, 456974), (50176, 401018), (65282, 308224), (67424, 298432), (74608, 269696), (77056, 261128), (88064, 228487), (100352, 200509), (130564, 154112), (134848, 149216)]