20348510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{379}}^1$

素因数の和:465

約数の個数: 64

約数和(自身を含む): 45964800

約数和(自身を除く): 25616290

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 59, 65, 70, 91, 118, 130, 182, 295, 379, 413, 455, 590, 758, 767, 826, 910, 1534, 1895, 2065, 2653, 3790, 3835, 4130, 4927, 5306, 5369, 7670, 9854, 10738, 13265, 22361, 24635, 26530, 26845, 34489, 44722, 49270, 53690, 68978, 111805, 156527, 172445, 223610, 290693, 313054, 344890, 581386, 782635, 1453465, 1565270, 2034851, 2906930, 4069702, 10174255, 20348510]

約数ペア:

[(1, 20348510), (2, 10174255), (5, 4069702), (7, 2906930), (10, 2034851), (13, 1565270), (14, 1453465), (26, 782635), (35, 581386), (59, 344890), (65, 313054), (70, 290693), (91, 223610), (118, 172445), (130, 156527), (182, 111805), (295, 68978), (379, 53690), (413, 49270), (455, 44722), (590, 34489), (758, 26845), (767, 26530), (826, 24635), (910, 22361), (1534, 13265), (1895, 10738), (2065, 9854), (2653, 7670), (3790, 5369), (3835, 5306), (4130, 4927)]