20782164

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1319}}^1$

素因数の和:1440

約数の個数: 48

約数和(自身を含む): 52778880

約数和(自身を除く): 31996716

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 101, 156, 202, 303, 404, 606, 1212, 1313, 1319, 2626, 2638, 3939, 3957, 5252, 5276, 7878, 7914, 15756, 15828, 17147, 34294, 51441, 68588, 102882, 133219, 205764, 266438, 399657, 532876, 799314, 1598628, 1731847, 3463694, 5195541, 6927388, 10391082, 20782164]

約数ペア:

[(1, 20782164), (2, 10391082), (3, 6927388), (4, 5195541), (6, 3463694), (12, 1731847), (13, 1598628), (26, 799314), (39, 532876), (52, 399657), (78, 266438), (101, 205764), (156, 133219), (202, 102882), (303, 68588), (404, 51441), (606, 34294), (1212, 17147), (1313, 15828), (1319, 15756), (2626, 7914), (2638, 7878), (3939, 5276), (3957, 5252)]