20471284

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8689}}^1$

素因数の和:8743

約数の個数: 24

約数和(自身を含む): 38931200

約数和(自身を除く): 18459916

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 589, 1178, 2356, 8689, 17378, 34756, 165091, 269359, 330182, 538718, 660364, 1077436, 5117821, 10235642, 20471284]

約数ペア:

[(1, 20471284), (2, 10235642), (4, 5117821), (19, 1077436), (31, 660364), (38, 538718), (62, 330182), (76, 269359), (124, 165091), (589, 34756), (1178, 17378), (2356, 8689)]