20512187766

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{131}}^1\times {\mathrm{138079}}^1$

素因数の和:138231

約数の個数: 80

約数和(自身を含む): 52929930240

約数和(自身を除く): 32417742474

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 131, 162, 189, 262, 378, 393, 567, 786, 917, 1134, 1179, 1834, 2358, 2751, 3537, 5502, 7074, 8253, 10611, 16506, 21222, 24759, 49518, 74277, 138079, 148554, 276158, 414237, 828474, 966553, 1242711, 1933106, 2485422, 2899659, 3728133, 5799318, 7456266, 8698977, 11184399, 17397954, 18088349, 22368798, 26096931, 36176698, 52193862, 54265047, 78290793, 108530094, 126618443, 156581586, 162795141, 253236886, 325590282, 379855329, 488385423, 759710658, 976770846, 1139565987, 1465156269, 2279131974, 2930312538, 3418697961, 6837395922, 10256093883, 20512187766]

約数ペア:

[(1, 20512187766), (2, 10256093883), (3, 6837395922), (6, 3418697961), (7, 2930312538), (9, 2279131974), (14, 1465156269), (18, 1139565987), (21, 976770846), (27, 759710658), (42, 488385423), (54, 379855329), (63, 325590282), (81, 253236886), (126, 162795141), (131, 156581586), (162, 126618443), (189, 108530094), (262, 78290793), (378, 54265047), (393, 52193862), (567, 36176698), (786, 26096931), (917, 22368798), (1134, 18088349), (1179, 17397954), (1834, 11184399), (2358, 8698977), (2751, 7456266), (3537, 5799318), (5502, 3728133), (7074, 2899659), (8253, 2485422), (10611, 1933106), (16506, 1242711), (21222, 966553), (24759, 828474), (49518, 414237), (74277, 276158), (138079, 148554)]