20803579744

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{428551}}^1$

素因数の和:428639

約数の個数: 48

約数和(自身を含む): 43090046496

約数和(自身を除く): 22286466752

約数列:

[1, 2, 4, 8, 16, 32, 37, 41, 74, 82, 148, 164, 296, 328, 592, 656, 1184, 1312, 1517, 3034, 6068, 12136, 24272, 48544, 428551, 857102, 1714204, 3428408, 6856816, 13713632, 15856387, 17570591, 31712774, 35141182, 63425548, 70282364, 126851096, 140564728, 253702192, 281129456, 507404384, 562258912, 650111867, 1300223734, 2600447468, 5200894936, 10401789872, 20803579744]

約数ペア:

[(1, 20803579744), (2, 10401789872), (4, 5200894936), (8, 2600447468), (16, 1300223734), (32, 650111867), (37, 562258912), (41, 507404384), (74, 281129456), (82, 253702192), (148, 140564728), (164, 126851096), (296, 70282364), (328, 63425548), (592, 35141182), (656, 31712774), (1184, 17570591), (1312, 15856387), (1517, 13713632), (3034, 6856816), (6068, 3428408), (12136, 1714204), (24272, 857102), (48544, 428551)]