20424690

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2$

素因数の和:86

約数の個数: 192

約数和(自身を含む): 66890880

約数和(自身を除く): 46466190

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 22, 23, 26, 27, 30, 33, 39, 45, 46, 54, 55, 65, 66, 69, 78, 90, 99, 110, 115, 117, 130, 135, 138, 143, 165, 195, 198, 207, 230, 234, 253, 270, 286, 297, 299, 330, 345, 351, 390, 414, 429, 495, 506, 529, 585, 594, 598, 621, 690, 702, 715, 759, 858, 897, 990, 1035, 1058, 1170, 1242, 1265, 1287, 1430, 1485, 1495, 1518, 1587, 1755, 1794, 2070, 2145, 2277, 2530, 2574, 2645, 2691, 2970, 2990, 3105, 3174, 3289, 3510, 3795, 3861, 4290, 4485, 4554, 4761, 5290, 5382, 5819, 6210, 6435, 6578, 6831, 6877, 7590, 7722, 7935, 8073, 8970, 9522, 9867, 11385, 11638, 12870, 13455, 13662, 13754, 14283, 15870, 16146, 16445, 17457, 19305, 19734, 20631, 22770, 23805, 26910, 28566, 29095, 29601, 32890, 34155, 34385, 34914, 38610, 40365, 41262, 47610, 49335, 52371, 58190, 59202, 61893, 68310, 68770, 71415, 75647, 80730, 87285, 88803, 98670, 103155, 104742, 123786, 142830, 148005, 151294, 157113, 174570, 177606, 185679, 206310, 226941, 261855, 296010, 309465, 314226, 371358, 378235, 444015, 453882, 523710, 618930, 680823, 756470, 785565, 888030, 928395, 1134705, 1361646, 1571130, 1856790, 2042469, 2269410, 3404115, 4084938, 6808230, 10212345, 20424690]

約数ペア:

[(1, 20424690), (2, 10212345), (3, 6808230), (5, 4084938), (6, 3404115), (9, 2269410), (10, 2042469), (11, 1856790), (13, 1571130), (15, 1361646), (18, 1134705), (22, 928395), (23, 888030), (26, 785565), (27, 756470), (30, 680823), (33, 618930), (39, 523710), (45, 453882), (46, 444015), (54, 378235), (55, 371358), (65, 314226), (66, 309465), (69, 296010), (78, 261855), (90, 226941), (99, 206310), (110, 185679), (115, 177606), (117, 174570), (130, 157113), (135, 151294), (138, 148005), (143, 142830), (165, 123786), (195, 104742), (198, 103155), (207, 98670), (230, 88803), (234, 87285), (253, 80730), (270, 75647), (286, 71415), (297, 68770), (299, 68310), (330, 61893), (345, 59202), (351, 58190), (390, 52371), (414, 49335), (429, 47610), (495, 41262), (506, 40365), (529, 38610), (585, 34914), (594, 34385), (598, 34155), (621, 32890), (690, 29601), (702, 29095), (715, 28566), (759, 26910), (858, 23805), (897, 22770), (990, 20631), (1035, 19734), (1058, 19305), (1170, 17457), (1242, 16445), (1265, 16146), (1287, 15870), (1430, 14283), (1485, 13754), (1495, 13662), (1518, 13455), (1587, 12870), (1755, 11638), (1794, 11385), (2070, 9867), (2145, 9522), (2277, 8970), (2530, 8073), (2574, 7935), (2645, 7722), (2691, 7590), (2970, 6877), (2990, 6831), (3105, 6578), (3174, 6435), (3289, 6210), (3510, 5819), (3795, 5382), (3861, 5290), (4290, 4761), (4485, 4554)]