20760160

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6829}}^1$

素因数の和:6863

約数の個数: 48

約数和(自身を含む): 51634800

約数和(自身を除く): 30874640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 6829, 13658, 27316, 34145, 54632, 68290, 109264, 129751, 136580, 218528, 259502, 273160, 519004, 546320, 648755, 1038008, 1092640, 1297510, 2076016, 2595020, 4152032, 5190040, 10380080, 20760160]

約数ペア:

[(1, 20760160), (2, 10380080), (4, 5190040), (5, 4152032), (8, 2595020), (10, 2076016), (16, 1297510), (19, 1092640), (20, 1038008), (32, 648755), (38, 546320), (40, 519004), (76, 273160), (80, 259502), (95, 218528), (152, 136580), (160, 129751), (190, 109264), (304, 68290), (380, 54632), (608, 34145), (760, 27316), (1520, 13658), (3040, 6829)]