20176983540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{16013479}}^1$

素因数の和:16013501

約数の個数: 72

約数和(自身を含む): 69946880640

約数和(自身を除く): 49769897100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 16013479, 32026958, 48040437, 64053916, 80067395, 96080874, 112094353, 144121311, 160134790, 192161748, 224188706, 240202185, 288242622, 320269580, 336283059, 448377412, 480404370, 560471765, 576485244, 672566118, 720606555, 960808740, 1008849177, 1120943530, 1345132236, 1441213110, 1681415295, 2017698354, 2241887060, 2882426220, 3362830590, 4035396708, 5044245885, 6725661180, 10088491770, 20176983540]

約数ペア:

[(1, 20176983540), (2, 10088491770), (3, 6725661180), (4, 5044245885), (5, 4035396708), (6, 3362830590), (7, 2882426220), (9, 2241887060), (10, 2017698354), (12, 1681415295), (14, 1441213110), (15, 1345132236), (18, 1120943530), (20, 1008849177), (21, 960808740), (28, 720606555), (30, 672566118), (35, 576485244), (36, 560471765), (42, 480404370), (45, 448377412), (60, 336283059), (63, 320269580), (70, 288242622), (84, 240202185), (90, 224188706), (105, 192161748), (126, 160134790), (140, 144121311), (180, 112094353), (210, 96080874), (252, 80067395), (315, 64053916), (420, 48040437), (630, 32026958), (1260, 16013479)]