20283714

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:236

約数の個数: 72

約数和(自身を含む): 49380240

約数和(自身を除く): 29096526

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 67, 99, 121, 134, 139, 198, 201, 242, 278, 363, 402, 417, 603, 726, 737, 834, 1089, 1206, 1251, 1474, 1529, 2178, 2211, 2502, 3058, 4422, 4587, 6633, 8107, 9174, 9313, 13266, 13761, 16214, 16819, 18626, 24321, 27522, 27939, 33638, 48642, 50457, 55878, 72963, 83817, 100914, 102443, 145926, 151371, 167634, 204886, 302742, 307329, 614658, 921987, 1126873, 1843974, 2253746, 3380619, 6761238, 10141857, 20283714]

約数ペア:

[(1, 20283714), (2, 10141857), (3, 6761238), (6, 3380619), (9, 2253746), (11, 1843974), (18, 1126873), (22, 921987), (33, 614658), (66, 307329), (67, 302742), (99, 204886), (121, 167634), (134, 151371), (139, 145926), (198, 102443), (201, 100914), (242, 83817), (278, 72963), (363, 55878), (402, 50457), (417, 48642), (603, 33638), (726, 27939), (737, 27522), (834, 24321), (1089, 18626), (1206, 16819), (1251, 16214), (1474, 13761), (1529, 13266), (2178, 9313), (2211, 9174), (2502, 8107), (3058, 6633), (4422, 4587)]