20805252

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{10259}}^1$

素因数の和:10292

約数の個数: 36

約数和(自身を含む): 52572240

約数和(自身を除く): 31766988

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 10259, 20518, 30777, 41036, 61554, 123108, 133367, 266734, 400101, 533468, 800202, 1600404, 1733771, 3467542, 5201313, 6935084, 10402626, 20805252]

約数ペア:

[(1, 20805252), (2, 10402626), (3, 6935084), (4, 5201313), (6, 3467542), (12, 1733771), (13, 1600404), (26, 800202), (39, 533468), (52, 400101), (78, 266734), (156, 133367), (169, 123108), (338, 61554), (507, 41036), (676, 30777), (1014, 20518), (2028, 10259)]