20220876728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{691}}^1\times {\mathrm{5309}}^1$

素因数の和:6072

約数の個数: 64

約数和(自身を含む): 41669056800

約数和(自身を除く): 21448180072

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 691, 1378, 1382, 2756, 2764, 5309, 5512, 5528, 8983, 10618, 17966, 21236, 35932, 36623, 42472, 69017, 71864, 73246, 138034, 146492, 276068, 281377, 292984, 476099, 552136, 562754, 952198, 1125508, 1904396, 2251016, 3657901, 3668519, 3808792, 7315802, 7337038, 14631604, 14674076, 29263208, 29348152, 47690747, 95381494, 190762988, 194431507, 381525976, 388863014, 777726028, 1555452056, 2527609591, 5055219182, 10110438364, 20220876728]

約数ペア:

[(1, 20220876728), (2, 10110438364), (4, 5055219182), (8, 2527609591), (13, 1555452056), (26, 777726028), (52, 388863014), (53, 381525976), (104, 194431507), (106, 190762988), (212, 95381494), (424, 47690747), (689, 29348152), (691, 29263208), (1378, 14674076), (1382, 14631604), (2756, 7337038), (2764, 7315802), (5309, 3808792), (5512, 3668519), (5528, 3657901), (8983, 2251016), (10618, 1904396), (17966, 1125508), (21236, 952198), (35932, 562754), (36623, 552136), (42472, 476099), (69017, 292984), (71864, 281377), (73246, 276068), (138034, 146492)]