20973654

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{433}}^1$

素因数の和:483

約数の個数: 80

約数和(自身を含む): 52934112

約数和(自身を除く): 31960458

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 27, 39, 46, 54, 69, 78, 81, 117, 138, 162, 207, 234, 299, 351, 414, 433, 598, 621, 702, 866, 897, 1053, 1242, 1299, 1794, 1863, 2106, 2598, 2691, 3726, 3897, 5382, 5629, 7794, 8073, 9959, 11258, 11691, 16146, 16887, 19918, 23382, 24219, 29877, 33774, 35073, 48438, 50661, 59754, 70146, 89631, 101322, 129467, 151983, 179262, 258934, 268893, 303966, 388401, 455949, 537786, 776802, 806679, 911898, 1165203, 1613358, 2330406, 3495609, 6991218, 10486827, 20973654]

約数ペア:

[(1, 20973654), (2, 10486827), (3, 6991218), (6, 3495609), (9, 2330406), (13, 1613358), (18, 1165203), (23, 911898), (26, 806679), (27, 776802), (39, 537786), (46, 455949), (54, 388401), (69, 303966), (78, 268893), (81, 258934), (117, 179262), (138, 151983), (162, 129467), (207, 101322), (234, 89631), (299, 70146), (351, 59754), (414, 50661), (433, 48438), (598, 35073), (621, 33774), (702, 29877), (866, 24219), (897, 23382), (1053, 19918), (1242, 16887), (1299, 16146), (1794, 11691), (1863, 11258), (2106, 9959), (2598, 8073), (2691, 7794), (3726, 5629), (3897, 5382)]