20802964

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{853}}^1$

素因数の和:944

約数の個数: 48

約数和(自身を含む): 45528448

約数和(自身を除く): 24725484

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 67, 91, 134, 182, 268, 364, 469, 853, 871, 938, 1706, 1742, 1876, 3412, 3484, 5971, 6097, 11089, 11942, 12194, 22178, 23884, 24388, 44356, 57151, 77623, 114302, 155246, 228604, 310492, 400057, 742963, 800114, 1485926, 1600228, 2971852, 5200741, 10401482, 20802964]

約数ペア:

[(1, 20802964), (2, 10401482), (4, 5200741), (7, 2971852), (13, 1600228), (14, 1485926), (26, 800114), (28, 742963), (52, 400057), (67, 310492), (91, 228604), (134, 155246), (182, 114302), (268, 77623), (364, 57151), (469, 44356), (853, 24388), (871, 23884), (938, 22178), (1706, 12194), (1742, 11942), (1876, 11089), (3412, 6097), (3484, 5971)]