20164567684

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1\times {\mathrm{14741}}^1$

素因数の和:15244

約数の個数: 48

約数和(自身を含む): 38140502400

約数和(自身を除く): 17975934716

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 439, 779, 878, 1558, 1756, 3116, 8341, 14741, 16682, 17999, 29482, 33364, 35998, 58964, 71996, 280079, 341981, 560158, 604381, 683962, 1120316, 1208762, 1367924, 2417524, 6471299, 11483239, 12942598, 22966478, 25885196, 45932956, 122954681, 245909362, 265323259, 491818724, 530646518, 1061293036, 5041141921, 10082283842, 20164567684]

約数ペア:

[(1, 20164567684), (2, 10082283842), (4, 5041141921), (19, 1061293036), (38, 530646518), (41, 491818724), (76, 265323259), (82, 245909362), (164, 122954681), (439, 45932956), (779, 25885196), (878, 22966478), (1558, 12942598), (1756, 11483239), (3116, 6471299), (8341, 2417524), (14741, 1367924), (16682, 1208762), (17999, 1120316), (29482, 683962), (33364, 604381), (35998, 560158), (58964, 341981), (71996, 280079)]