20144452845

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{16381}}^1$

素因数の和:16686

約数の個数: 64

約数和(自身を含む): 36517443840

約数和(自身を除く): 16372990995

約数列:

[1, 3, 5, 11, 15, 29, 33, 55, 87, 145, 165, 257, 319, 435, 771, 957, 1285, 1595, 2827, 3855, 4785, 7453, 8481, 14135, 16381, 22359, 37265, 42405, 49143, 81905, 81983, 111795, 180191, 245715, 245949, 409915, 475049, 540573, 900955, 1229745, 1425147, 2375245, 2702865, 4209917, 5225539, 7125735, 12629751, 15676617, 21049585, 26127695, 46309087, 63148755, 78383085, 122087593, 138927261, 231545435, 366262779, 610437965, 694636305, 1342963523, 1831313895, 4028890569, 6714817615, 20144452845]

約数ペア:

[(1, 20144452845), (3, 6714817615), (5, 4028890569), (11, 1831313895), (15, 1342963523), (29, 694636305), (33, 610437965), (55, 366262779), (87, 231545435), (145, 138927261), (165, 122087593), (257, 78383085), (319, 63148755), (435, 46309087), (771, 26127695), (957, 21049585), (1285, 15676617), (1595, 12629751), (2827, 7125735), (3855, 5225539), (4785, 4209917), (7453, 2702865), (8481, 2375245), (14135, 1425147), (16381, 1229745), (22359, 900955), (37265, 540573), (42405, 475049), (49143, 409915), (81905, 245949), (81983, 245715), (111795, 180191)]