20399790852

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{543299}}^1$

素因数の和:543465

約数の個数: 72

約数和(自身を含む): 59328360000

約数和(自身を除く): 38928569148

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 149, 252, 298, 447, 596, 894, 1043, 1341, 1788, 2086, 2682, 3129, 4172, 5364, 6258, 9387, 12516, 18774, 37548, 543299, 1086598, 1629897, 2173196, 3259794, 3803093, 4889691, 6519588, 7606186, 9779382, 11409279, 15212372, 19558764, 22818558, 34227837, 45637116, 68455674, 80951551, 136911348, 161903102, 242854653, 323806204, 485709306, 566660857, 728563959, 971418612, 1133321714, 1457127918, 1699982571, 2266643428, 2914255836, 3399965142, 5099947713, 6799930284, 10199895426, 20399790852]

約数ペア:

[(1, 20399790852), (2, 10199895426), (3, 6799930284), (4, 5099947713), (6, 3399965142), (7, 2914255836), (9, 2266643428), (12, 1699982571), (14, 1457127918), (18, 1133321714), (21, 971418612), (28, 728563959), (36, 566660857), (42, 485709306), (63, 323806204), (84, 242854653), (126, 161903102), (149, 136911348), (252, 80951551), (298, 68455674), (447, 45637116), (596, 34227837), (894, 22818558), (1043, 19558764), (1341, 15212372), (1788, 11409279), (2086, 9779382), (2682, 7606186), (3129, 6519588), (4172, 4889691), (5364, 3803093), (6258, 3259794), (9387, 2173196), (12516, 1629897), (18774, 1086598), (37548, 543299)]