20190952705

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{983}}^1\times {\mathrm{1721}}^1$

素因数の和:2758

約数の個数: 64

約数和(自身を含む): 31232065536

約数和(自身を除く): 11041112831

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 155, 217, 341, 385, 983, 1085, 1705, 1721, 2387, 4915, 6881, 8605, 10813, 11935, 12047, 18931, 30473, 34405, 53351, 54065, 60235, 75691, 94655, 132517, 152365, 213311, 266755, 335203, 373457, 378455, 586861, 662585, 1066555, 1676015, 1691743, 1867285, 2346421, 2934305, 4108027, 8458715, 11732105, 11842201, 18609173, 20540135, 52444033, 59211005, 93045865, 130264211, 262220165, 367108231, 576884363, 651321055, 1835541155, 2884421815, 4038190541, 20190952705]

約数ペア:

[(1, 20190952705), (5, 4038190541), (7, 2884421815), (11, 1835541155), (31, 651321055), (35, 576884363), (55, 367108231), (77, 262220165), (155, 130264211), (217, 93045865), (341, 59211005), (385, 52444033), (983, 20540135), (1085, 18609173), (1705, 11842201), (1721, 11732105), (2387, 8458715), (4915, 4108027), (6881, 2934305), (8605, 2346421), (10813, 1867285), (11935, 1691743), (12047, 1676015), (18931, 1066555), (30473, 662585), (34405, 586861), (53351, 378455), (54065, 373457), (60235, 335203), (75691, 266755), (94655, 213311), (132517, 152365)]