2020144945

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1307}}^1$

素因数の和:1454

約数の個数: 64

約数和(自身を含む): 3093995520

約数和(自身を除く): 1073850575

約数列:

[1, 5, 7, 13, 35, 43, 65, 79, 91, 215, 301, 395, 455, 553, 559, 1027, 1307, 1505, 2765, 2795, 3397, 3913, 5135, 6535, 7189, 9149, 16985, 16991, 19565, 23779, 35945, 44161, 45745, 56201, 84955, 103253, 118895, 118937, 220805, 281005, 309127, 393407, 516265, 594685, 722771, 730613, 1342289, 1545635, 1967035, 3613855, 3653065, 4439879, 5114291, 6711445, 9396023, 22199395, 25571455, 31079153, 46980115, 57718427, 155395765, 288592135, 404028989, 2020144945]

約数ペア:

[(1, 2020144945), (5, 404028989), (7, 288592135), (13, 155395765), (35, 57718427), (43, 46980115), (65, 31079153), (79, 25571455), (91, 22199395), (215, 9396023), (301, 6711445), (395, 5114291), (455, 4439879), (553, 3653065), (559, 3613855), (1027, 1967035), (1307, 1545635), (1505, 1342289), (2765, 730613), (2795, 722771), (3397, 594685), (3913, 516265), (5135, 393407), (6535, 309127), (7189, 281005), (9149, 220805), (16985, 118937), (16991, 118895), (19565, 103253), (23779, 84955), (35945, 56201), (44161, 45745)]