20644470

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1$

素因数の和:368

約数の個数: 160

約数和(自身を含む): 69417216

約数和(自身を除く): 48772746

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 27, 30, 33, 35, 42, 45, 54, 55, 63, 66, 70, 77, 81, 90, 99, 105, 110, 126, 135, 154, 162, 165, 189, 198, 210, 231, 270, 297, 315, 330, 331, 378, 385, 405, 462, 495, 567, 594, 630, 662, 693, 770, 810, 891, 945, 990, 993, 1134, 1155, 1386, 1485, 1655, 1782, 1890, 1986, 2079, 2310, 2317, 2835, 2970, 2979, 3310, 3465, 3641, 4158, 4455, 4634, 4965, 5670, 5958, 6237, 6930, 6951, 7282, 8910, 8937, 9930, 10395, 10923, 11585, 12474, 13902, 14895, 17874, 18205, 20790, 20853, 21846, 23170, 25487, 26811, 29790, 31185, 32769, 34755, 36410, 41706, 44685, 50974, 53622, 54615, 62370, 62559, 65538, 69510, 76461, 89370, 98307, 104265, 109230, 125118, 127435, 134055, 152922, 163845, 187677, 196614, 208530, 229383, 254870, 268110, 294921, 312795, 327690, 375354, 382305, 458766, 491535, 589842, 625590, 688149, 764610, 938385, 983070, 1146915, 1376298, 1474605, 1876770, 2064447, 2293830, 2949210, 3440745, 4128894, 6881490, 10322235, 20644470]

約数ペア:

[(1, 20644470), (2, 10322235), (3, 6881490), (5, 4128894), (6, 3440745), (7, 2949210), (9, 2293830), (10, 2064447), (11, 1876770), (14, 1474605), (15, 1376298), (18, 1146915), (21, 983070), (22, 938385), (27, 764610), (30, 688149), (33, 625590), (35, 589842), (42, 491535), (45, 458766), (54, 382305), (55, 375354), (63, 327690), (66, 312795), (70, 294921), (77, 268110), (81, 254870), (90, 229383), (99, 208530), (105, 196614), (110, 187677), (126, 163845), (135, 152922), (154, 134055), (162, 127435), (165, 125118), (189, 109230), (198, 104265), (210, 98307), (231, 89370), (270, 76461), (297, 69510), (315, 65538), (330, 62559), (331, 62370), (378, 54615), (385, 53622), (405, 50974), (462, 44685), (495, 41706), (567, 36410), (594, 34755), (630, 32769), (662, 31185), (693, 29790), (770, 26811), (810, 25487), (891, 23170), (945, 21846), (990, 20853), (993, 20790), (1134, 18205), (1155, 17874), (1386, 14895), (1485, 13902), (1655, 12474), (1782, 11585), (1890, 10923), (1986, 10395), (2079, 9930), (2310, 8937), (2317, 8910), (2835, 7282), (2970, 6951), (2979, 6930), (3310, 6237), (3465, 5958), (3641, 5670), (4158, 4965), (4455, 4634)]