20379564

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:347

約数の個数: 72

約数和(自身を含む): 54442752

約数和(自身を除く): 34063188

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 151, 163, 207, 276, 302, 326, 414, 453, 489, 604, 652, 828, 906, 978, 1359, 1467, 1812, 1956, 2718, 2934, 3473, 3749, 5436, 5868, 6946, 7498, 10419, 11247, 13892, 14996, 20838, 22494, 24613, 31257, 33741, 41676, 44988, 49226, 62514, 67482, 73839, 98452, 125028, 134964, 147678, 221517, 295356, 443034, 566099, 886068, 1132198, 1698297, 2264396, 3396594, 5094891, 6793188, 10189782, 20379564]

約数ペア:

[(1, 20379564), (2, 10189782), (3, 6793188), (4, 5094891), (6, 3396594), (9, 2264396), (12, 1698297), (18, 1132198), (23, 886068), (36, 566099), (46, 443034), (69, 295356), (92, 221517), (138, 147678), (151, 134964), (163, 125028), (207, 98452), (276, 73839), (302, 67482), (326, 62514), (414, 49226), (453, 44988), (489, 41676), (604, 33741), (652, 31257), (828, 24613), (906, 22494), (978, 20838), (1359, 14996), (1467, 13892), (1812, 11247), (1956, 10419), (2718, 7498), (2934, 6946), (3473, 5868), (3749, 5436)]