20307888975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{86981}}^1$

素因数の和:87288

約数の個数: 48

約数和(自身を含む): 36757897344

約数和(自身を除く): 16450008369

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 283, 825, 849, 1415, 3113, 4245, 7075, 9339, 15565, 21225, 46695, 77825, 86981, 233475, 260943, 434905, 956791, 1304715, 2174525, 2870373, 4783955, 6523575, 14351865, 23919775, 24615623, 71759325, 73846869, 123078115, 270771853, 369234345, 615390575, 812315559, 1353859265, 1846171725, 4061577795, 6769296325, 20307888975]

約数ペア:

[(1, 20307888975), (3, 6769296325), (5, 4061577795), (11, 1846171725), (15, 1353859265), (25, 812315559), (33, 615390575), (55, 369234345), (75, 270771853), (165, 123078115), (275, 73846869), (283, 71759325), (825, 24615623), (849, 23919775), (1415, 14351865), (3113, 6523575), (4245, 4783955), (7075, 2870373), (9339, 2174525), (15565, 1304715), (21225, 956791), (46695, 434905), (77825, 260943), (86981, 233475)]