20210964490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1117}}^1\times {\mathrm{1451}}^1$

素因数の和:2647

約数の個数: 64

約数和(自身を含む): 38570463360

約数和(自身を除く): 18359498870

約数列:

[1, 2, 5, 10, 29, 43, 58, 86, 145, 215, 290, 430, 1117, 1247, 1451, 2234, 2494, 2902, 5585, 6235, 7255, 11170, 12470, 14510, 32393, 42079, 48031, 62393, 64786, 84158, 96062, 124786, 161965, 210395, 240155, 311965, 323930, 420790, 480310, 623930, 1392899, 1620767, 1809397, 2785798, 3241534, 3618794, 6964495, 8103835, 9046985, 13928990, 16207670, 18093970, 47002243, 69692981, 94004486, 139385962, 235011215, 348464905, 470022430, 696929810, 2021096449, 4042192898, 10105482245, 20210964490]

約数ペア:

[(1, 20210964490), (2, 10105482245), (5, 4042192898), (10, 2021096449), (29, 696929810), (43, 470022430), (58, 348464905), (86, 235011215), (145, 139385962), (215, 94004486), (290, 69692981), (430, 47002243), (1117, 18093970), (1247, 16207670), (1451, 13928990), (2234, 9046985), (2494, 8103835), (2902, 6964495), (5585, 3618794), (6235, 3241534), (7255, 2785798), (11170, 1809397), (12470, 1620767), (14510, 1392899), (32393, 623930), (42079, 480310), (48031, 420790), (62393, 323930), (64786, 311965), (84158, 240155), (96062, 210395), (124786, 161965)]