20512781344

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{30817}}^1$

素因数の和:30930

約数の個数: 96

約数和(自身を含む): 46224041472

約数和(自身を除く): 25711260128

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 61, 62, 88, 122, 124, 176, 244, 248, 341, 352, 488, 496, 671, 682, 976, 992, 1342, 1364, 1891, 1952, 2684, 2728, 3782, 5368, 5456, 7564, 10736, 10912, 15128, 20801, 21472, 30256, 30817, 41602, 60512, 61634, 83204, 123268, 166408, 246536, 332816, 338987, 493072, 665632, 677974, 955327, 986144, 1355948, 1879837, 1910654, 2711896, 3759674, 3821308, 5423792, 7519348, 7642616, 10508597, 10847584, 15038696, 15285232, 20678207, 21017194, 30077392, 30570464, 41356414, 42034388, 58274947, 60154784, 82712828, 84068776, 116549894, 165425656, 168137552, 233099788, 330851312, 336275104, 466199576, 641024417, 661702624, 932399152, 1282048834, 1864798304, 2564097668, 5128195336, 10256390672, 20512781344]

約数ペア:

[(1, 20512781344), (2, 10256390672), (4, 5128195336), (8, 2564097668), (11, 1864798304), (16, 1282048834), (22, 932399152), (31, 661702624), (32, 641024417), (44, 466199576), (61, 336275104), (62, 330851312), (88, 233099788), (122, 168137552), (124, 165425656), (176, 116549894), (244, 84068776), (248, 82712828), (341, 60154784), (352, 58274947), (488, 42034388), (496, 41356414), (671, 30570464), (682, 30077392), (976, 21017194), (992, 20678207), (1342, 15285232), (1364, 15038696), (1891, 10847584), (1952, 10508597), (2684, 7642616), (2728, 7519348), (3782, 5423792), (5368, 3821308), (5456, 3759674), (7564, 2711896), (10736, 1910654), (10912, 1879837), (15128, 1355948), (20801, 986144), (21472, 955327), (30256, 677974), (30817, 665632), (41602, 493072), (60512, 338987), (61634, 332816), (83204, 246536), (123268, 166408)]