20651556

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1709}}^1$

素因数の和:1788

約数の個数: 48

約数和(自身を含む): 51710400

約数和(自身を除く): 31058844

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 53, 57, 76, 106, 114, 159, 212, 228, 318, 636, 1007, 1709, 2014, 3021, 3418, 4028, 5127, 6042, 6836, 10254, 12084, 20508, 32471, 64942, 90577, 97413, 129884, 181154, 194826, 271731, 362308, 389652, 543462, 1086924, 1720963, 3441926, 5162889, 6883852, 10325778, 20651556]

約数ペア:

[(1, 20651556), (2, 10325778), (3, 6883852), (4, 5162889), (6, 3441926), (12, 1720963), (19, 1086924), (38, 543462), (53, 389652), (57, 362308), (76, 271731), (106, 194826), (114, 181154), (159, 129884), (212, 97413), (228, 90577), (318, 64942), (636, 32471), (1007, 20508), (1709, 12084), (2014, 10254), (3021, 6836), (3418, 6042), (4028, 5127)]