20874450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{317}}^1\times {\mathrm{439}}^1$

素因数の和:771

約数の個数: 48

約数和(自身を含む): 52050240

約数和(自身を除く): 31175790

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 317, 439, 634, 878, 951, 1317, 1585, 1902, 2195, 2634, 3170, 4390, 4755, 6585, 7925, 9510, 10975, 13170, 15850, 21950, 23775, 32925, 47550, 65850, 139163, 278326, 417489, 695815, 834978, 1391630, 2087445, 3479075, 4174890, 6958150, 10437225, 20874450]

約数ペア:

[(1, 20874450), (2, 10437225), (3, 6958150), (5, 4174890), (6, 3479075), (10, 2087445), (15, 1391630), (25, 834978), (30, 695815), (50, 417489), (75, 278326), (150, 139163), (317, 65850), (439, 47550), (634, 32925), (878, 23775), (951, 21950), (1317, 15850), (1585, 13170), (1902, 10975), (2195, 9510), (2634, 7925), (3170, 6585), (4390, 4755)]