20100952305

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{55829}}^1$

素因数の和:55980

約数の個数: 80

約数和(自身を含む): 41505361920

約数和(自身を除く): 21404409615

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 127, 135, 189, 315, 381, 405, 567, 635, 889, 945, 1143, 1905, 2667, 2835, 3429, 4445, 5715, 8001, 10287, 13335, 17145, 24003, 40005, 51435, 55829, 72009, 120015, 167487, 279145, 360045, 390803, 502461, 837435, 1172409, 1507383, 1954015, 2512305, 3517227, 4522149, 5862045, 7090283, 7536915, 10551681, 17586135, 21270849, 22610745, 31655043, 35451415, 49631981, 52758405, 63812547, 106354245, 148895943, 158275215, 191437641, 248159905, 319062735, 446687829, 574312923, 744479715, 957188205, 1340063487, 2233439145, 2871564615, 4020190461, 6700317435, 20100952305]

約数ペア:

[(1, 20100952305), (3, 6700317435), (5, 4020190461), (7, 2871564615), (9, 2233439145), (15, 1340063487), (21, 957188205), (27, 744479715), (35, 574312923), (45, 446687829), (63, 319062735), (81, 248159905), (105, 191437641), (127, 158275215), (135, 148895943), (189, 106354245), (315, 63812547), (381, 52758405), (405, 49631981), (567, 35451415), (635, 31655043), (889, 22610745), (945, 21270849), (1143, 17586135), (1905, 10551681), (2667, 7536915), (2835, 7090283), (3429, 5862045), (4445, 4522149), (5715, 3517227), (8001, 2512305), (10287, 1954015), (13335, 1507383), (17145, 1172409), (24003, 837435), (40005, 502461), (51435, 390803), (55829, 360045), (72009, 279145), (120015, 167487)]