20161031870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{2423}}^1\times {\mathrm{16981}}^1$

素因数の和:19425

約数の個数: 48

約数和(自身を含む): 42234641568

約数和(自身を除く): 22073609698

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 2423, 4846, 12115, 16961, 16981, 24230, 33922, 33962, 84805, 84905, 118727, 118867, 169610, 169810, 237454, 237734, 593635, 594335, 832069, 1187270, 1188670, 1664138, 4160345, 8320690, 41144963, 82289926, 205724815, 288014741, 411449630, 576029482, 1440073705, 2016103187, 2880147410, 4032206374, 10080515935, 20161031870]

約数ペア:

[(1, 20161031870), (2, 10080515935), (5, 4032206374), (7, 2880147410), (10, 2016103187), (14, 1440073705), (35, 576029482), (49, 411449630), (70, 288014741), (98, 205724815), (245, 82289926), (490, 41144963), (2423, 8320690), (4846, 4160345), (12115, 1664138), (16961, 1188670), (16981, 1187270), (24230, 832069), (33922, 594335), (33962, 593635), (84805, 237734), (84905, 237454), (118727, 169810), (118867, 169610)]