20676318

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:569

約数の個数: 64

約数和(自身を含む): 48771072

約数和(自身を除く): 28094754

約数列:

[1, 2, 3, 6, 13, 17, 26, 31, 34, 39, 51, 62, 78, 93, 102, 186, 221, 403, 442, 503, 527, 663, 806, 1006, 1054, 1209, 1326, 1509, 1581, 2418, 3018, 3162, 6539, 6851, 8551, 13078, 13702, 15593, 17102, 19617, 20553, 25653, 31186, 39234, 41106, 46779, 51306, 93558, 111163, 202709, 222326, 265081, 333489, 405418, 530162, 608127, 666978, 795243, 1216254, 1590486, 3446053, 6892106, 10338159, 20676318]

約数ペア:

[(1, 20676318), (2, 10338159), (3, 6892106), (6, 3446053), (13, 1590486), (17, 1216254), (26, 795243), (31, 666978), (34, 608127), (39, 530162), (51, 405418), (62, 333489), (78, 265081), (93, 222326), (102, 202709), (186, 111163), (221, 93558), (403, 51306), (442, 46779), (503, 41106), (527, 39234), (663, 31186), (806, 25653), (1006, 20553), (1054, 19617), (1209, 17102), (1326, 15593), (1509, 13702), (1581, 13078), (2418, 8551), (3018, 6851), (3162, 6539)]