20448600

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:389

約数の個数: 96

約数和(自身を含む): 64080720

約数和(自身を除く): 43632120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 150, 173, 197, 200, 300, 346, 394, 519, 591, 600, 692, 788, 865, 985, 1038, 1182, 1384, 1576, 1730, 1970, 2076, 2364, 2595, 2955, 3460, 3940, 4152, 4325, 4728, 4925, 5190, 5910, 6920, 7880, 8650, 9850, 10380, 11820, 12975, 14775, 17300, 19700, 20760, 23640, 25950, 29550, 34081, 34600, 39400, 51900, 59100, 68162, 102243, 103800, 118200, 136324, 170405, 204486, 272648, 340810, 408972, 511215, 681620, 817944, 852025, 1022430, 1363240, 1704050, 2044860, 2556075, 3408100, 4089720, 5112150, 6816200, 10224300, 20448600]

約数ペア:

[(1, 20448600), (2, 10224300), (3, 6816200), (4, 5112150), (5, 4089720), (6, 3408100), (8, 2556075), (10, 2044860), (12, 1704050), (15, 1363240), (20, 1022430), (24, 852025), (25, 817944), (30, 681620), (40, 511215), (50, 408972), (60, 340810), (75, 272648), (100, 204486), (120, 170405), (150, 136324), (173, 118200), (197, 103800), (200, 102243), (300, 68162), (346, 59100), (394, 51900), (519, 39400), (591, 34600), (600, 34081), (692, 29550), (788, 25950), (865, 23640), (985, 20760), (1038, 19700), (1182, 17300), (1384, 14775), (1576, 12975), (1730, 11820), (1970, 10380), (2076, 9850), (2364, 8650), (2595, 7880), (2955, 6920), (3460, 5910), (3940, 5190), (4152, 4925), (4325, 4728)]