20752110

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7951}}^1$

素因数の和:7993

約数の個数: 48

約数和(自身を含む): 55823040

約数和(自身を除く): 35070930

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 7951, 15902, 23853, 39755, 47706, 71559, 79510, 119265, 143118, 230579, 238530, 357795, 461158, 691737, 715590, 1152895, 1383474, 2075211, 2305790, 3458685, 4150422, 6917370, 10376055, 20752110]

約数ペア:

[(1, 20752110), (2, 10376055), (3, 6917370), (5, 4150422), (6, 3458685), (9, 2305790), (10, 2075211), (15, 1383474), (18, 1152895), (29, 715590), (30, 691737), (45, 461158), (58, 357795), (87, 238530), (90, 230579), (145, 143118), (174, 119265), (261, 79510), (290, 71559), (435, 47706), (522, 39755), (870, 23853), (1305, 15902), (2610, 7951)]