20280942

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{599}}^1$

素因数の和:643

約数の個数: 80

約数和(自身を含む): 52272000

約数和(自身を除く): 31991058

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 27, 33, 38, 54, 57, 66, 81, 99, 114, 162, 171, 198, 209, 297, 342, 418, 513, 594, 599, 627, 891, 1026, 1198, 1254, 1539, 1782, 1797, 1881, 3078, 3594, 3762, 5391, 5643, 6589, 10782, 11286, 11381, 13178, 16173, 16929, 19767, 22762, 32346, 33858, 34143, 39534, 48519, 59301, 68286, 97038, 102429, 118602, 125191, 177903, 204858, 250382, 307287, 355806, 375573, 533709, 614574, 751146, 921861, 1067418, 1126719, 1843722, 2253438, 3380157, 6760314, 10140471, 20280942]

約数ペア:

[(1, 20280942), (2, 10140471), (3, 6760314), (6, 3380157), (9, 2253438), (11, 1843722), (18, 1126719), (19, 1067418), (22, 921861), (27, 751146), (33, 614574), (38, 533709), (54, 375573), (57, 355806), (66, 307287), (81, 250382), (99, 204858), (114, 177903), (162, 125191), (171, 118602), (198, 102429), (209, 97038), (297, 68286), (342, 59301), (418, 48519), (513, 39534), (594, 34143), (599, 33858), (627, 32346), (891, 22762), (1026, 19767), (1198, 16929), (1254, 16173), (1539, 13178), (1782, 11381), (1797, 11286), (1881, 10782), (3078, 6589), (3594, 5643), (3762, 5391)]