20447262

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1187}}^1$

素因数の和:1238

約数の個数: 64

約数和(自身を含む): 51321600

約数和(自身を除く): 30874338

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 29, 33, 54, 58, 66, 87, 99, 174, 198, 261, 297, 319, 522, 594, 638, 783, 957, 1187, 1566, 1914, 2374, 2871, 3561, 5742, 7122, 8613, 10683, 13057, 17226, 21366, 26114, 32049, 34423, 39171, 64098, 68846, 78342, 103269, 117513, 206538, 235026, 309807, 352539, 378653, 619614, 705078, 757306, 929421, 1135959, 1858842, 2271918, 3407877, 6815754, 10223631, 20447262]

約数ペア:

[(1, 20447262), (2, 10223631), (3, 6815754), (6, 3407877), (9, 2271918), (11, 1858842), (18, 1135959), (22, 929421), (27, 757306), (29, 705078), (33, 619614), (54, 378653), (58, 352539), (66, 309807), (87, 235026), (99, 206538), (174, 117513), (198, 103269), (261, 78342), (297, 68846), (319, 64098), (522, 39171), (594, 34423), (638, 32049), (783, 26114), (957, 21366), (1187, 17226), (1566, 13057), (1914, 10683), (2374, 8613), (2871, 7122), (3561, 5742)]