20737140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11149}}^1$

素因数の和:11192

約数の個数: 48

約数和(自身を含む): 59942400

約数和(自身を除く): 39205260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 11149, 22298, 33447, 44596, 55745, 66894, 111490, 133788, 167235, 222980, 334470, 345619, 668940, 691238, 1036857, 1382476, 1728095, 2073714, 3456190, 4147428, 5184285, 6912380, 10368570, 20737140]

約数ペア:

[(1, 20737140), (2, 10368570), (3, 6912380), (4, 5184285), (5, 4147428), (6, 3456190), (10, 2073714), (12, 1728095), (15, 1382476), (20, 1036857), (30, 691238), (31, 668940), (60, 345619), (62, 334470), (93, 222980), (124, 167235), (155, 133788), (186, 111490), (310, 66894), (372, 55745), (465, 44596), (620, 33447), (930, 22298), (1860, 11149)]