20436856

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{719}}^1$

素因数の和:772

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 26219144

約数列:

[1, 2, 4, 8, 11, 17, 19, 22, 34, 38, 44, 68, 76, 88, 136, 152, 187, 209, 323, 374, 418, 646, 719, 748, 836, 1292, 1438, 1496, 1672, 2584, 2876, 3553, 5752, 7106, 7909, 12223, 13661, 14212, 15818, 24446, 27322, 28424, 31636, 48892, 54644, 63272, 97784, 109288, 134453, 150271, 232237, 268906, 300542, 464474, 537812, 601084, 928948, 1075624, 1202168, 1857896, 2554607, 5109214, 10218428, 20436856]

約数ペア:

[(1, 20436856), (2, 10218428), (4, 5109214), (8, 2554607), (11, 1857896), (17, 1202168), (19, 1075624), (22, 928948), (34, 601084), (38, 537812), (44, 464474), (68, 300542), (76, 268906), (88, 232237), (136, 150271), (152, 134453), (187, 109288), (209, 97784), (323, 63272), (374, 54644), (418, 48892), (646, 31636), (719, 28424), (748, 27322), (836, 24446), (1292, 15818), (1438, 14212), (1496, 13661), (1672, 12223), (2584, 7909), (2876, 7106), (3553, 5752)]