20950974

素因数分解:

$2^1\times 3^5\times {\mathrm{11}}^1\times {\mathrm{3919}}^1$

素因数の和:3947

約数の個数: 48

約数和(自身を含む): 51367680

約数和(自身を除く): 30416706

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 81, 99, 162, 198, 243, 297, 486, 594, 891, 1782, 2673, 3919, 5346, 7838, 11757, 23514, 35271, 43109, 70542, 86218, 105813, 129327, 211626, 258654, 317439, 387981, 634878, 775962, 952317, 1163943, 1904634, 2327886, 3491829, 6983658, 10475487, 20950974]

約数ペア:

[(1, 20950974), (2, 10475487), (3, 6983658), (6, 3491829), (9, 2327886), (11, 1904634), (18, 1163943), (22, 952317), (27, 775962), (33, 634878), (54, 387981), (66, 317439), (81, 258654), (99, 211626), (162, 129327), (198, 105813), (243, 86218), (297, 70542), (486, 43109), (594, 35271), (891, 23514), (1782, 11757), (2673, 7838), (3919, 5346)]