20425938

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{853}}^1$

素因数の和:1178

約数の個数: 32

約数和(自身を含む): 44189376

約数和(自身を除く): 23763438

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 307, 614, 853, 921, 1706, 1842, 2559, 3991, 5118, 7982, 11089, 11973, 22178, 23946, 33267, 66534, 261871, 523742, 785613, 1571226, 3404323, 6808646, 10212969, 20425938]

約数ペア:

[(1, 20425938), (2, 10212969), (3, 6808646), (6, 3404323), (13, 1571226), (26, 785613), (39, 523742), (78, 261871), (307, 66534), (614, 33267), (853, 23946), (921, 22178), (1706, 11973), (1842, 11089), (2559, 7982), (3991, 5118)]