20213130

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{953}}^1$

素因数の和:1071

約数の個数: 64

約数和(自身を含む): 56049408

約数和(自身を除く): 35836278

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, 953, 1010, 1414, 1515, 1906, 2121, 2859, 3030, 3535, 4242, 4765, 5718, 6671, 7070, 9530, 10605, 13342, 14295, 20013, 21210, 28590, 33355, 40026, 66710, 96253, 100065, 192506, 200130, 288759, 481265, 577518, 673771, 962530, 1347542, 1443795, 2021313, 2887590, 3368855, 4042626, 6737710, 10106565, 20213130]

約数ペア:

[(1, 20213130), (2, 10106565), (3, 6737710), (5, 4042626), (6, 3368855), (7, 2887590), (10, 2021313), (14, 1443795), (15, 1347542), (21, 962530), (30, 673771), (35, 577518), (42, 481265), (70, 288759), (101, 200130), (105, 192506), (202, 100065), (210, 96253), (303, 66710), (505, 40026), (606, 33355), (707, 28590), (953, 21210), (1010, 20013), (1414, 14295), (1515, 13342), (1906, 10605), (2121, 9530), (2859, 7070), (3030, 6671), (3535, 5718), (4242, 4765)]