20172064

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3371}}^1$

素因数の和:3409

約数の個数: 48

約数和(自身を含む): 45886176

約数和(自身を除く): 25714112

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 136, 176, 187, 272, 352, 374, 544, 748, 1496, 2992, 3371, 5984, 6742, 13484, 26968, 37081, 53936, 57307, 74162, 107872, 114614, 148324, 229228, 296648, 458456, 593296, 630377, 916912, 1186592, 1260754, 1833824, 2521508, 5043016, 10086032, 20172064]

約数ペア:

[(1, 20172064), (2, 10086032), (4, 5043016), (8, 2521508), (11, 1833824), (16, 1260754), (17, 1186592), (22, 916912), (32, 630377), (34, 593296), (44, 458456), (68, 296648), (88, 229228), (136, 148324), (176, 114614), (187, 107872), (272, 74162), (352, 57307), (374, 53936), (544, 37081), (748, 26968), (1496, 13484), (2992, 6742), (3371, 5984)]