20864052

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:146

約数の個数: 144

約数和(自身を含む): 62899200

約数和(自身を除く): 42035148

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 47, 57, 59, 66, 76, 94, 99, 114, 118, 132, 141, 171, 177, 188, 198, 209, 228, 236, 282, 342, 354, 396, 418, 423, 517, 531, 564, 627, 649, 684, 708, 836, 846, 893, 1034, 1062, 1121, 1254, 1298, 1551, 1692, 1786, 1881, 1947, 2068, 2124, 2242, 2508, 2596, 2679, 2773, 3102, 3363, 3572, 3762, 3894, 4484, 4653, 5358, 5546, 5841, 6204, 6726, 7524, 7788, 8037, 8319, 9306, 9823, 10089, 10716, 11092, 11682, 12331, 13452, 16074, 16638, 18612, 19646, 20178, 23364, 24662, 24957, 29469, 30503, 32148, 33276, 36993, 39292, 40356, 49324, 49914, 52687, 58938, 61006, 73986, 88407, 91509, 99828, 105374, 110979, 117876, 122012, 147972, 158061, 176814, 183018, 210748, 221958, 274527, 316122, 353628, 366036, 443916, 474183, 549054, 579557, 632244, 948366, 1098108, 1159114, 1738671, 1896732, 2318228, 3477342, 5216013, 6954684, 10432026, 20864052]

約数ペア:

[(1, 20864052), (2, 10432026), (3, 6954684), (4, 5216013), (6, 3477342), (9, 2318228), (11, 1896732), (12, 1738671), (18, 1159114), (19, 1098108), (22, 948366), (33, 632244), (36, 579557), (38, 549054), (44, 474183), (47, 443916), (57, 366036), (59, 353628), (66, 316122), (76, 274527), (94, 221958), (99, 210748), (114, 183018), (118, 176814), (132, 158061), (141, 147972), (171, 122012), (177, 117876), (188, 110979), (198, 105374), (209, 99828), (228, 91509), (236, 88407), (282, 73986), (342, 61006), (354, 58938), (396, 52687), (418, 49914), (423, 49324), (517, 40356), (531, 39292), (564, 36993), (627, 33276), (649, 32148), (684, 30503), (708, 29469), (836, 24957), (846, 24662), (893, 23364), (1034, 20178), (1062, 19646), (1121, 18612), (1254, 16638), (1298, 16074), (1551, 13452), (1692, 12331), (1786, 11682), (1881, 11092), (1947, 10716), (2068, 10089), (2124, 9823), (2242, 9306), (2508, 8319), (2596, 8037), (2679, 7788), (2773, 7524), (3102, 6726), (3363, 6204), (3572, 5841), (3762, 5546), (3894, 5358), (4484, 4653)]