20049675

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 35354880

約数和(自身を除く): 15305205

約数列:

[1, 3, 5, 15, 23, 25, 59, 69, 75, 115, 177, 197, 295, 345, 575, 591, 885, 985, 1357, 1475, 1725, 2955, 4071, 4425, 4531, 4925, 6785, 11623, 13593, 14775, 20355, 22655, 33925, 34869, 58115, 67965, 101775, 113275, 174345, 267329, 290575, 339825, 801987, 871725, 1336645, 4009935, 6683225, 20049675]

約数ペア:

[(1, 20049675), (3, 6683225), (5, 4009935), (15, 1336645), (23, 871725), (25, 801987), (59, 339825), (69, 290575), (75, 267329), (115, 174345), (177, 113275), (197, 101775), (295, 67965), (345, 58115), (575, 34869), (591, 33925), (885, 22655), (985, 20355), (1357, 14775), (1475, 13593), (1725, 11623), (2955, 6785), (4071, 4925), (4425, 4531)]