20380560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{84919}}^1$

素因数の和:84935

約数の個数: 40

約数和(自身を含む): 63180480

約数和(自身を除く): 42799920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 84919, 169838, 254757, 339676, 424595, 509514, 679352, 849190, 1019028, 1273785, 1358704, 1698380, 2038056, 2547570, 3396760, 4076112, 5095140, 6793520, 10190280, 20380560]

約数ペア:

[(1, 20380560), (2, 10190280), (3, 6793520), (4, 5095140), (5, 4076112), (6, 3396760), (8, 2547570), (10, 2038056), (12, 1698380), (15, 1358704), (16, 1273785), (20, 1019028), (24, 849190), (30, 679352), (40, 509514), (48, 424595), (60, 339676), (80, 254757), (120, 169838), (240, 84919)]