20989056

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{4969}}^1$

素因数の和:4997

約数の個数: 64

約数和(自身を含む): 60832800

約数和(自身を除く): 39843744

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 88, 96, 128, 132, 176, 192, 264, 352, 384, 528, 704, 1056, 1408, 2112, 4224, 4969, 9938, 14907, 19876, 29814, 39752, 54659, 59628, 79504, 109318, 119256, 159008, 163977, 218636, 238512, 318016, 327954, 437272, 477024, 636032, 655908, 874544, 954048, 1311816, 1749088, 1908096, 2623632, 3498176, 5247264, 6996352, 10494528, 20989056]

約数ペア:

[(1, 20989056), (2, 10494528), (3, 6996352), (4, 5247264), (6, 3498176), (8, 2623632), (11, 1908096), (12, 1749088), (16, 1311816), (22, 954048), (24, 874544), (32, 655908), (33, 636032), (44, 477024), (48, 437272), (64, 327954), (66, 318016), (88, 238512), (96, 218636), (128, 163977), (132, 159008), (176, 119256), (192, 109318), (264, 79504), (352, 59628), (384, 54659), (528, 39752), (704, 29814), (1056, 19876), (1408, 14907), (2112, 9938), (4224, 4969)]