20550840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4177}}^1$

素因数の和:4232

約数の個数: 64

約数和(自身を含む): 63171360

約数和(自身を除く): 42620520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 246, 328, 410, 492, 615, 820, 984, 1230, 1640, 2460, 4177, 4920, 8354, 12531, 16708, 20885, 25062, 33416, 41770, 50124, 62655, 83540, 100248, 125310, 167080, 171257, 250620, 342514, 501240, 513771, 685028, 856285, 1027542, 1370056, 1712570, 2055084, 2568855, 3425140, 4110168, 5137710, 6850280, 10275420, 20550840]

約数ペア:

[(1, 20550840), (2, 10275420), (3, 6850280), (4, 5137710), (5, 4110168), (6, 3425140), (8, 2568855), (10, 2055084), (12, 1712570), (15, 1370056), (20, 1027542), (24, 856285), (30, 685028), (40, 513771), (41, 501240), (60, 342514), (82, 250620), (120, 171257), (123, 167080), (164, 125310), (205, 100248), (246, 83540), (328, 62655), (410, 50124), (492, 41770), (615, 33416), (820, 25062), (984, 20885), (1230, 16708), (1640, 12531), (2460, 8354), (4177, 4920)]