20695228

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 39481344

約数和(自身を除く): 18786116

約数列:

[1, 2, 4, 31, 47, 53, 62, 67, 94, 106, 124, 134, 188, 212, 268, 1457, 1643, 2077, 2491, 2914, 3149, 3286, 3551, 4154, 4982, 5828, 6298, 6572, 7102, 8308, 9964, 12596, 14204, 77221, 97619, 110081, 154442, 166897, 195238, 220162, 308884, 333794, 390476, 440324, 667588, 5173807, 10347614, 20695228]

約数ペア:

[(1, 20695228), (2, 10347614), (4, 5173807), (31, 667588), (47, 440324), (53, 390476), (62, 333794), (67, 308884), (94, 220162), (106, 195238), (124, 166897), (134, 154442), (188, 110081), (212, 97619), (268, 77221), (1457, 14204), (1643, 12596), (2077, 9964), (2491, 8308), (2914, 7102), (3149, 6572), (3286, 6298), (3551, 5828), (4154, 4982)]