20725572

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{983}}^1$

素因数の和:1248

約数の個数: 48

約数和(自身を含む): 55544832

約数和(自身を除く): 34819260

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 251, 502, 753, 983, 1004, 1506, 1757, 1966, 2949, 3012, 3514, 3932, 5271, 5898, 6881, 7028, 10542, 11796, 13762, 20643, 21084, 27524, 41286, 82572, 246733, 493466, 740199, 986932, 1480398, 1727131, 2960796, 3454262, 5181393, 6908524, 10362786, 20725572]

約数ペア:

[(1, 20725572), (2, 10362786), (3, 6908524), (4, 5181393), (6, 3454262), (7, 2960796), (12, 1727131), (14, 1480398), (21, 986932), (28, 740199), (42, 493466), (84, 246733), (251, 82572), (502, 41286), (753, 27524), (983, 21084), (1004, 20643), (1506, 13762), (1757, 11796), (1966, 10542), (2949, 7028), (3012, 6881), (3514, 5898), (3932, 5271)]