16481220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{39241}}^1$

素因数の和:39260

約数の個数: 48

約数和(自身を含む): 52741248

約数和(自身を除く): 36260028

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, 39241, 78482, 117723, 156964, 196205, 235446, 274687, 392410, 470892, 549374, 588615, 784820, 824061, 1098748, 1177230, 1373435, 1648122, 2354460, 2746870, 3296244, 4120305, 5493740, 8240610, 16481220]

約数ペア:

[(1, 16481220), (2, 8240610), (3, 5493740), (4, 4120305), (5, 3296244), (6, 2746870), (7, 2354460), (10, 1648122), (12, 1373435), (14, 1177230), (15, 1098748), (20, 824061), (21, 784820), (28, 588615), (30, 549374), (35, 470892), (42, 392410), (60, 274687), (70, 235446), (84, 196205), (105, 156964), (140, 117723), (210, 78482), (420, 39241)]