20761590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40709}}^1$

素因数の和:40736

約数の個数: 32

約数和(自身を含む): 52760160

約数和(自身を除く): 31998570

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 40709, 81418, 122127, 203545, 244254, 407090, 610635, 692053, 1221270, 1384106, 2076159, 3460265, 4152318, 6920530, 10380795, 20761590]

約数ペア:

[(1, 20761590), (2, 10380795), (3, 6920530), (5, 4152318), (6, 3460265), (10, 2076159), (15, 1384106), (17, 1221270), (30, 692053), (34, 610635), (51, 407090), (85, 244254), (102, 203545), (170, 122127), (255, 81418), (510, 40709)]