20341605

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{331}}^1$

素因数の和:597

約数の個数: 32

約数和(自身を含む): 34708608

約数和(自身を除く): 14367003

約数列:

[1, 3, 5, 15, 17, 51, 85, 241, 255, 331, 723, 993, 1205, 1655, 3615, 4097, 4965, 5627, 12291, 16881, 20485, 28135, 61455, 79771, 84405, 239313, 398855, 1196565, 1356107, 4068321, 6780535, 20341605]

約数ペア:

[(1, 20341605), (3, 6780535), (5, 4068321), (15, 1356107), (17, 1196565), (51, 398855), (85, 239313), (241, 84405), (255, 79771), (331, 61455), (723, 28135), (993, 20485), (1205, 16881), (1655, 12291), (3615, 5627), (4097, 4965)]