20757480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4219}}^1$

素因数の和:4274

約数の個数: 64

約数和(自身を含む): 63806400

約数和(自身を除く): 43048920

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, 4219, 4920, 8438, 12657, 16876, 21095, 25314, 33752, 42190, 50628, 63285, 84380, 101256, 126570, 168760, 172979, 253140, 345958, 506280, 518937, 691916, 864895, 1037874, 1383832, 1729790, 2075748, 2594685, 3459580, 4151496, 5189370, 6919160, 10378740, 20757480]

約数ペア:

[(1, 20757480), (2, 10378740), (3, 6919160), (4, 5189370), (5, 4151496), (6, 3459580), (8, 2594685), (10, 2075748), (12, 1729790), (15, 1383832), (20, 1037874), (24, 864895), (30, 691916), (40, 518937), (41, 506280), (60, 345958), (82, 253140), (120, 172979), (123, 168760), (164, 126570), (205, 101256), (246, 84380), (328, 63285), (410, 50628), (492, 42190), (615, 33752), (820, 25314), (984, 21095), (1230, 16876), (1640, 12657), (2460, 8438), (4219, 4920)]