20121448304

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1\times {\mathrm{1087}}^1$

素因数の和:1494

約数の個数: 80

約数和(自身を含む): 40389414912

約数和(自身を除く): 20267966608

約数列:

[1, 2, 4, 8, 16, 53, 83, 106, 166, 212, 263, 332, 424, 526, 664, 848, 1052, 1087, 1328, 2104, 2174, 4208, 4348, 4399, 8696, 8798, 13939, 17392, 17596, 21829, 27878, 35192, 43658, 55756, 57611, 70384, 87316, 90221, 111512, 115222, 174632, 180442, 223024, 230444, 285881, 349264, 360884, 460888, 571762, 721768, 921776, 1143524, 1156937, 1443536, 2287048, 2313874, 4574096, 4627748, 4781713, 9255496, 9563426, 15151693, 18510992, 19126852, 23728123, 30303386, 38253704, 47456246, 60606772, 76507408, 94912492, 121213544, 189824984, 242427088, 379649968, 1257590519, 2515181038, 5030362076, 10060724152, 20121448304]

約数ペア:

[(1, 20121448304), (2, 10060724152), (4, 5030362076), (8, 2515181038), (16, 1257590519), (53, 379649968), (83, 242427088), (106, 189824984), (166, 121213544), (212, 94912492), (263, 76507408), (332, 60606772), (424, 47456246), (526, 38253704), (664, 30303386), (848, 23728123), (1052, 19126852), (1087, 18510992), (1328, 15151693), (2104, 9563426), (2174, 9255496), (4208, 4781713), (4348, 4627748), (4399, 4574096), (8696, 2313874), (8798, 2287048), (13939, 1443536), (17392, 1156937), (17596, 1143524), (21829, 921776), (27878, 721768), (35192, 571762), (43658, 460888), (55756, 360884), (57611, 349264), (70384, 285881), (87316, 230444), (90221, 223024), (111512, 180442), (115222, 174632)]