20594910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{971}}^1$

素因数の和:1089

約数の個数: 64

約数和(自身を含む): 57106944

約数和(自身を除く): 36512034

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 101, 105, 202, 210, 303, 505, 606, 707, 971, 1010, 1414, 1515, 1942, 2121, 2913, 3030, 3535, 4242, 4855, 5826, 6797, 7070, 9710, 10605, 13594, 14565, 20391, 21210, 29130, 33985, 40782, 67970, 98071, 101955, 196142, 203910, 294213, 490355, 588426, 686497, 980710, 1372994, 1471065, 2059491, 2942130, 3432485, 4118982, 6864970, 10297455, 20594910]

約数ペア:

[(1, 20594910), (2, 10297455), (3, 6864970), (5, 4118982), (6, 3432485), (7, 2942130), (10, 2059491), (14, 1471065), (15, 1372994), (21, 980710), (30, 686497), (35, 588426), (42, 490355), (70, 294213), (101, 203910), (105, 196142), (202, 101955), (210, 98071), (303, 67970), (505, 40782), (606, 33985), (707, 29130), (971, 21210), (1010, 20391), (1414, 14565), (1515, 13594), (1942, 10605), (2121, 9710), (2913, 7070), (3030, 6797), (3535, 5826), (4242, 4855)]