20942544

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:572

約数の個数: 80

約数和(自身を含む): 62380928

約数和(自身を除く): 41438384

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 157, 168, 314, 336, 397, 471, 628, 794, 942, 1099, 1191, 1256, 1588, 1884, 2198, 2382, 2512, 2779, 3176, 3297, 3768, 4396, 4764, 5558, 6352, 6594, 7536, 8337, 8792, 9528, 11116, 13188, 16674, 17584, 19056, 22232, 26376, 33348, 44464, 52752, 62329, 66696, 124658, 133392, 186987, 249316, 373974, 436303, 498632, 747948, 872606, 997264, 1308909, 1495896, 1745212, 2617818, 2991792, 3490424, 5235636, 6980848, 10471272, 20942544]

約数ペア:

[(1, 20942544), (2, 10471272), (3, 6980848), (4, 5235636), (6, 3490424), (7, 2991792), (8, 2617818), (12, 1745212), (14, 1495896), (16, 1308909), (21, 997264), (24, 872606), (28, 747948), (42, 498632), (48, 436303), (56, 373974), (84, 249316), (112, 186987), (157, 133392), (168, 124658), (314, 66696), (336, 62329), (397, 52752), (471, 44464), (628, 33348), (794, 26376), (942, 22232), (1099, 19056), (1191, 17584), (1256, 16674), (1588, 13188), (1884, 11116), (2198, 9528), (2382, 8792), (2512, 8337), (2779, 7536), (3176, 6594), (3297, 6352), (3768, 5558), (4396, 4764)]