20244320

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4363}}^1$

素因数の和:4407

約数の個数: 48

約数和(自身を含む): 49487760

約数和(自身を除く): 29243440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4363, 4640, 8726, 17452, 21815, 34904, 43630, 69808, 87260, 126527, 139616, 174520, 253054, 349040, 506108, 632635, 698080, 1012216, 1265270, 2024432, 2530540, 4048864, 5061080, 10122160, 20244320]

約数ペア:

[(1, 20244320), (2, 10122160), (4, 5061080), (5, 4048864), (8, 2530540), (10, 2024432), (16, 1265270), (20, 1012216), (29, 698080), (32, 632635), (40, 506108), (58, 349040), (80, 253054), (116, 174520), (145, 139616), (160, 126527), (232, 87260), (290, 69808), (464, 43630), (580, 34904), (928, 21815), (1160, 17452), (2320, 8726), (4363, 4640)]