20148542960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2767657}}^1$

素因数の和:2767690

約数の個数: 80

約数和(自身を含む): 57655851456

約数和(自身を除く): 37507308496

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 2767657, 5535314, 11070628, 13838285, 19373599, 22141256, 27676570, 35979541, 38747198, 44282512, 55353140, 71959082, 77494396, 96867995, 110706280, 143918164, 154988792, 179897705, 193735990, 221412560, 251856787, 287836328, 309977584, 359795410, 387471980, 503713574, 575672656, 719590820, 774943960, 1007427148, 1259283935, 1439181640, 1549887920, 2014854296, 2518567870, 2878363280, 4029708592, 5037135740, 10074271480, 20148542960]

約数ペア:

[(1, 20148542960), (2, 10074271480), (4, 5037135740), (5, 4029708592), (7, 2878363280), (8, 2518567870), (10, 2014854296), (13, 1549887920), (14, 1439181640), (16, 1259283935), (20, 1007427148), (26, 774943960), (28, 719590820), (35, 575672656), (40, 503713574), (52, 387471980), (56, 359795410), (65, 309977584), (70, 287836328), (80, 251856787), (91, 221412560), (104, 193735990), (112, 179897705), (130, 154988792), (140, 143918164), (182, 110706280), (208, 96867995), (260, 77494396), (280, 71959082), (364, 55353140), (455, 44282512), (520, 38747198), (560, 35979541), (728, 27676570), (910, 22141256), (1040, 19373599), (1456, 13838285), (1820, 11070628), (3640, 5535314), (7280, 2767657)]