20544660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{367}}^1$

素因数の和:693

約数の個数: 72

約数和(自身を含む): 62689536

約数和(自身を除く): 42144876

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 311, 367, 622, 734, 933, 1101, 1244, 1468, 1555, 1835, 1866, 2202, 2799, 3110, 3303, 3670, 3732, 4404, 4665, 5505, 5598, 6220, 6606, 7340, 9330, 11010, 11196, 13212, 13995, 16515, 18660, 22020, 27990, 33030, 55980, 66060, 114137, 228274, 342411, 456548, 570685, 684822, 1027233, 1141370, 1369644, 1712055, 2054466, 2282740, 3424110, 4108932, 5136165, 6848220, 10272330, 20544660]

約数ペア:

[(1, 20544660), (2, 10272330), (3, 6848220), (4, 5136165), (5, 4108932), (6, 3424110), (9, 2282740), (10, 2054466), (12, 1712055), (15, 1369644), (18, 1141370), (20, 1027233), (30, 684822), (36, 570685), (45, 456548), (60, 342411), (90, 228274), (180, 114137), (311, 66060), (367, 55980), (622, 33030), (734, 27990), (933, 22020), (1101, 18660), (1244, 16515), (1468, 13995), (1555, 13212), (1835, 11196), (1866, 11010), (2202, 9330), (2799, 7340), (3110, 6606), (3303, 6220), (3670, 5598), (3732, 5505), (4404, 4665)]