20176302860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{541}}^1\times {\mathrm{547}}^1$

素因数の和:1591

約数の個数: 96

約数和(自身を含む): 48701119488

約数和(自身を除く): 28524816628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 487, 541, 547, 974, 1082, 1094, 1948, 2164, 2188, 2435, 2705, 2735, 3409, 3787, 3829, 4870, 5410, 5470, 6818, 7574, 7658, 9740, 10820, 10940, 13636, 15148, 15316, 17045, 18935, 19145, 34090, 37870, 38290, 68180, 75740, 76580, 263467, 266389, 295927, 526934, 532778, 591854, 1053868, 1065556, 1183708, 1317335, 1331945, 1479635, 1844269, 1864723, 2071489, 2634670, 2663890, 2959270, 3688538, 3729446, 4142978, 5269340, 5327780, 5918540, 7377076, 7458892, 8285956, 9221345, 9323615, 10357445, 18442690, 18647230, 20714890, 36885380, 37294460, 41429780, 144116449, 288232898, 576465796, 720582245, 1008815143, 1441164490, 2017630286, 2882328980, 4035260572, 5044075715, 10088151430, 20176302860]

約数ペア:

[(1, 20176302860), (2, 10088151430), (4, 5044075715), (5, 4035260572), (7, 2882328980), (10, 2017630286), (14, 1441164490), (20, 1008815143), (28, 720582245), (35, 576465796), (70, 288232898), (140, 144116449), (487, 41429780), (541, 37294460), (547, 36885380), (974, 20714890), (1082, 18647230), (1094, 18442690), (1948, 10357445), (2164, 9323615), (2188, 9221345), (2435, 8285956), (2705, 7458892), (2735, 7377076), (3409, 5918540), (3787, 5327780), (3829, 5269340), (4870, 4142978), (5410, 3729446), (5470, 3688538), (6818, 2959270), (7574, 2663890), (7658, 2634670), (9740, 2071489), (10820, 1864723), (10940, 1844269), (13636, 1479635), (15148, 1331945), (15316, 1317335), (17045, 1183708), (18935, 1065556), (19145, 1053868), (34090, 591854), (37870, 532778), (38290, 526934), (68180, 295927), (75740, 266389), (76580, 263467)]