20067500545

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1\times {\mathrm{389}}^1\times {\mathrm{631}}^1$

素因数の和:1305

約数の個数: 32

約数和(自身を含む): 24596732160

約数和(自身を除く): 4529231615

約数列:

[1, 5, 83, 197, 389, 415, 631, 985, 1945, 3155, 16351, 32287, 52373, 76633, 81755, 124307, 161435, 245459, 261865, 383165, 621535, 1227295, 6360539, 10317481, 20373097, 31802695, 48355423, 51587405, 101865485, 241777115, 4013500109, 20067500545]

約数ペア:

[(1, 20067500545), (5, 4013500109), (83, 241777115), (197, 101865485), (389, 51587405), (415, 48355423), (631, 31802695), (985, 20373097), (1945, 10317481), (3155, 6360539), (16351, 1227295), (32287, 621535), (52373, 383165), (76633, 261865), (81755, 245459), (124307, 161435)]