20914719420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{49796951}}^1$

素因数の和:49796970

約数の個数: 48

約数和(自身を含む): 66927103488

約数和(自身を除く): 46012384068

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 49796951, 99593902, 149390853, 199187804, 248984755, 298781706, 348578657, 497969510, 597563412, 697157314, 746954265, 995939020, 1045735971, 1394314628, 1493908530, 1742893285, 2091471942, 2987817060, 3485786570, 4182943884, 5228679855, 6971573140, 10457359710, 20914719420]

約数ペア:

[(1, 20914719420), (2, 10457359710), (3, 6971573140), (4, 5228679855), (5, 4182943884), (6, 3485786570), (7, 2987817060), (10, 2091471942), (12, 1742893285), (14, 1493908530), (15, 1394314628), (20, 1045735971), (21, 995939020), (28, 746954265), (30, 697157314), (35, 597563412), (42, 497969510), (60, 348578657), (70, 298781706), (84, 248984755), (105, 199187804), (140, 149390853), (210, 99593902), (420, 49796951)]