20765438070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1291}}^1\times {\mathrm{41243}}^1$

素因数の和:42557

約数の個数: 64

約数和(自身を含む): 53713545984

約数和(自身を除く): 32948107914

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 1291, 2582, 3873, 6455, 7746, 12910, 16783, 19365, 33566, 38730, 41243, 50349, 82486, 83915, 100698, 123729, 167830, 206215, 247458, 251745, 412430, 503490, 536159, 618645, 1072318, 1237290, 1608477, 2680795, 3216954, 5361590, 8042385, 16084770, 53244713, 106489426, 159734139, 266223565, 319468278, 532447130, 692181269, 798670695, 1384362538, 1597341390, 2076543807, 3460906345, 4153087614, 6921812690, 10382719035, 20765438070]

約数ペア:

[(1, 20765438070), (2, 10382719035), (3, 6921812690), (5, 4153087614), (6, 3460906345), (10, 2076543807), (13, 1597341390), (15, 1384362538), (26, 798670695), (30, 692181269), (39, 532447130), (65, 319468278), (78, 266223565), (130, 159734139), (195, 106489426), (390, 53244713), (1291, 16084770), (2582, 8042385), (3873, 5361590), (6455, 3216954), (7746, 2680795), (12910, 1608477), (16783, 1237290), (19365, 1072318), (33566, 618645), (38730, 536159), (41243, 503490), (50349, 412430), (82486, 251745), (83915, 247458), (100698, 206215), (123729, 167830)]