20939256

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{7457}}^1$

素因数の和:7485

約数の個数: 64

約数和(自身を含む): 62647200

約数和(自身を除く): 41707944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404, 2808, 7457, 14914, 22371, 29828, 44742, 59656, 67113, 89484, 96941, 134226, 178968, 193882, 201339, 268452, 290823, 387764, 402678, 536904, 581646, 775528, 805356, 872469, 1163292, 1610712, 1744938, 2326584, 2617407, 3489876, 5234814, 6979752, 10469628, 20939256]

約数ペア:

[(1, 20939256), (2, 10469628), (3, 6979752), (4, 5234814), (6, 3489876), (8, 2617407), (9, 2326584), (12, 1744938), (13, 1610712), (18, 1163292), (24, 872469), (26, 805356), (27, 775528), (36, 581646), (39, 536904), (52, 402678), (54, 387764), (72, 290823), (78, 268452), (104, 201339), (108, 193882), (117, 178968), (156, 134226), (216, 96941), (234, 89484), (312, 67113), (351, 59656), (468, 44742), (702, 29828), (936, 22371), (1404, 14914), (2808, 7457)]