2020030804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2\times {\mathrm{881}}^1$

素因数の和:1009

約数の個数: 72

約数和(自身を含む): 4084915968

約数和(自身を除く): 2064885164

約数列:

[1, 2, 4, 11, 22, 31, 41, 44, 62, 82, 124, 164, 341, 451, 682, 881, 902, 1271, 1364, 1681, 1762, 1804, 2542, 3362, 3524, 5084, 6724, 9691, 13981, 18491, 19382, 27311, 27962, 36121, 36982, 38764, 52111, 54622, 55924, 72242, 73964, 104222, 109244, 144484, 208444, 300421, 397331, 573221, 600842, 794662, 1119751, 1146442, 1201684, 1480961, 1589324, 2239502, 2292884, 2961922, 4479004, 5923844, 12317261, 16290571, 24634522, 32581142, 45909791, 49269044, 65162284, 91819582, 183639164, 505007701, 1010015402, 2020030804]

約数ペア:

[(1, 2020030804), (2, 1010015402), (4, 505007701), (11, 183639164), (22, 91819582), (31, 65162284), (41, 49269044), (44, 45909791), (62, 32581142), (82, 24634522), (124, 16290571), (164, 12317261), (341, 5923844), (451, 4479004), (682, 2961922), (881, 2292884), (902, 2239502), (1271, 1589324), (1364, 1480961), (1681, 1201684), (1762, 1146442), (1804, 1119751), (2542, 794662), (3362, 600842), (3524, 573221), (5084, 397331), (6724, 300421), (9691, 208444), (13981, 144484), (18491, 109244), (19382, 104222), (27311, 73964), (27962, 72242), (36121, 55924), (36982, 54622), (38764, 52111)]