20512795836

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{6571}}^1\times {\mathrm{20011}}^1$

素因数の和:26602

約数の個数: 48

約数和(自身を含む): 51555394688

約数和(自身を除く): 31042598852

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 6571, 13142, 19713, 20011, 26284, 39426, 40022, 60033, 78852, 80044, 85423, 120066, 170846, 240132, 256269, 260143, 341692, 512538, 520286, 780429, 1025076, 1040572, 1560858, 3121716, 131492281, 262984562, 394476843, 525969124, 788953686, 1577907372, 1709399653, 3418799306, 5128198959, 6837598612, 10256397918, 20512795836]

約数ペア:

[(1, 20512795836), (2, 10256397918), (3, 6837598612), (4, 5128198959), (6, 3418799306), (12, 1709399653), (13, 1577907372), (26, 788953686), (39, 525969124), (52, 394476843), (78, 262984562), (156, 131492281), (6571, 3121716), (13142, 1560858), (19713, 1040572), (20011, 1025076), (26284, 780429), (39426, 520286), (40022, 512538), (60033, 341692), (78852, 260143), (80044, 256269), (85423, 240132), (120066, 170846)]