20682150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{173}}^1\times {\mathrm{797}}^1$

素因数の和:985

約数の個数: 48

約数和(自身を含む): 51652944

約数和(自身を除く): 30970794

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 173, 346, 519, 797, 865, 1038, 1594, 1730, 2391, 2595, 3985, 4325, 4782, 5190, 7970, 8650, 11955, 12975, 19925, 23910, 25950, 39850, 59775, 119550, 137881, 275762, 413643, 689405, 827286, 1378810, 2068215, 3447025, 4136430, 6894050, 10341075, 20682150]

約数ペア:

[(1, 20682150), (2, 10341075), (3, 6894050), (5, 4136430), (6, 3447025), (10, 2068215), (15, 1378810), (25, 827286), (30, 689405), (50, 413643), (75, 275762), (150, 137881), (173, 119550), (346, 59775), (519, 39850), (797, 25950), (865, 23910), (1038, 19925), (1594, 12975), (1730, 11955), (2391, 8650), (2595, 7970), (3985, 5190), (4325, 4782)]