20123600840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1529149}}^1$

素因数の和:1529214

約数の個数: 64

約数和(自身を含む): 52847424000

約数和(自身を除く): 32723823160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 940, 1316, 1645, 1880, 2632, 3290, 6580, 13160, 1529149, 3058298, 6116596, 7645745, 10704043, 12233192, 15291490, 21408086, 30582980, 42816172, 53520215, 61165960, 71870003, 85632344, 107040430, 143740006, 214080860, 287480012, 359350015, 428161720, 503090021, 574960024, 718700030, 1006180042, 1437400060, 2012360084, 2515450105, 2874800120, 4024720168, 5030900210, 10061800420, 20123600840]

約数ペア:

[(1, 20123600840), (2, 10061800420), (4, 5030900210), (5, 4024720168), (7, 2874800120), (8, 2515450105), (10, 2012360084), (14, 1437400060), (20, 1006180042), (28, 718700030), (35, 574960024), (40, 503090021), (47, 428161720), (56, 359350015), (70, 287480012), (94, 214080860), (140, 143740006), (188, 107040430), (235, 85632344), (280, 71870003), (329, 61165960), (376, 53520215), (470, 42816172), (658, 30582980), (940, 21408086), (1316, 15291490), (1645, 12233192), (1880, 10704043), (2632, 7645745), (3290, 6116596), (6580, 3058298), (13160, 1529149)]