20299972

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3877}}^1$

素因数の和:3916

約数の個数: 48

約数和(自身を含む): 46908288

約数和(自身を除く): 26608316

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 154, 187, 238, 308, 374, 476, 748, 1309, 2618, 3877, 5236, 7754, 15508, 27139, 42647, 54278, 65909, 85294, 108556, 131818, 170588, 263636, 298529, 461363, 597058, 724999, 922726, 1194116, 1449998, 1845452, 2899996, 5074993, 10149986, 20299972]

約数ペア:

[(1, 20299972), (2, 10149986), (4, 5074993), (7, 2899996), (11, 1845452), (14, 1449998), (17, 1194116), (22, 922726), (28, 724999), (34, 597058), (44, 461363), (68, 298529), (77, 263636), (119, 170588), (154, 131818), (187, 108556), (238, 85294), (308, 65909), (374, 54278), (476, 42647), (748, 27139), (1309, 15508), (2618, 7754), (3877, 5236)]