20675304

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:264

約数の個数: 128

約数和(自身を含む): 63840000

約数和(自身を除く): 43164696

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 37, 39, 52, 54, 72, 74, 78, 104, 108, 111, 117, 148, 156, 199, 216, 222, 234, 296, 312, 333, 351, 398, 444, 468, 481, 597, 666, 702, 796, 888, 936, 962, 999, 1194, 1332, 1404, 1443, 1592, 1791, 1924, 1998, 2388, 2587, 2664, 2808, 2886, 3582, 3848, 3996, 4329, 4776, 5174, 5373, 5772, 7164, 7363, 7761, 7992, 8658, 10348, 10746, 11544, 12987, 14328, 14726, 15522, 17316, 20696, 21492, 22089, 23283, 25974, 29452, 31044, 34632, 42984, 44178, 46566, 51948, 58904, 62088, 66267, 69849, 88356, 93132, 95719, 103896, 132534, 139698, 176712, 186264, 191438, 198801, 265068, 279396, 287157, 382876, 397602, 530136, 558792, 574314, 765752, 795204, 861471, 1148628, 1590408, 1722942, 2297256, 2584413, 3445884, 5168826, 6891768, 10337652, 20675304]

約数ペア:

[(1, 20675304), (2, 10337652), (3, 6891768), (4, 5168826), (6, 3445884), (8, 2584413), (9, 2297256), (12, 1722942), (13, 1590408), (18, 1148628), (24, 861471), (26, 795204), (27, 765752), (36, 574314), (37, 558792), (39, 530136), (52, 397602), (54, 382876), (72, 287157), (74, 279396), (78, 265068), (104, 198801), (108, 191438), (111, 186264), (117, 176712), (148, 139698), (156, 132534), (199, 103896), (216, 95719), (222, 93132), (234, 88356), (296, 69849), (312, 66267), (333, 62088), (351, 58904), (398, 51948), (444, 46566), (468, 44178), (481, 42984), (597, 34632), (666, 31044), (702, 29452), (796, 25974), (888, 23283), (936, 22089), (962, 21492), (999, 20696), (1194, 17316), (1332, 15522), (1404, 14726), (1443, 14328), (1592, 12987), (1791, 11544), (1924, 10746), (1998, 10348), (2388, 8658), (2587, 7992), (2664, 7761), (2808, 7363), (2886, 7164), (3582, 5772), (3848, 5373), (3996, 5174), (4329, 4776)]