20201454

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4111}}^1$

素因数の和:4142

約数の個数: 64

約数和(自身を含む): 55265280

約数和(自身を除く): 35063826

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 182, 189, 234, 273, 351, 378, 546, 702, 819, 1638, 2457, 4111, 4914, 8222, 12333, 24666, 28777, 36999, 53443, 57554, 73998, 86331, 106886, 110997, 160329, 172662, 221994, 258993, 320658, 374101, 480987, 517986, 748202, 776979, 961974, 1122303, 1442961, 1553958, 2244606, 2885922, 3366909, 6733818, 10100727, 20201454]

約数ペア:

[(1, 20201454), (2, 10100727), (3, 6733818), (6, 3366909), (7, 2885922), (9, 2244606), (13, 1553958), (14, 1442961), (18, 1122303), (21, 961974), (26, 776979), (27, 748202), (39, 517986), (42, 480987), (54, 374101), (63, 320658), (78, 258993), (91, 221994), (117, 172662), (126, 160329), (182, 110997), (189, 106886), (234, 86331), (273, 73998), (351, 57554), (378, 53443), (546, 36999), (702, 28777), (819, 24666), (1638, 12333), (2457, 8222), (4111, 4914)]