20867014780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{480143}}^1$

素因数の和:480246

約数の個数: 48

約数和(自身を含む): 45736596864

約数和(自身を除く): 24869582084

約数列:

[1, 2, 4, 5, 10, 20, 41, 53, 82, 106, 164, 205, 212, 265, 410, 530, 820, 1060, 2173, 4346, 8692, 10865, 21730, 43460, 480143, 960286, 1920572, 2400715, 4801430, 9602860, 19685863, 25447579, 39371726, 50895158, 78743452, 98429315, 101790316, 127237895, 196858630, 254475790, 393717260, 508951580, 1043350739, 2086701478, 4173402956, 5216753695, 10433507390, 20867014780]

約数ペア:

[(1, 20867014780), (2, 10433507390), (4, 5216753695), (5, 4173402956), (10, 2086701478), (20, 1043350739), (41, 508951580), (53, 393717260), (82, 254475790), (106, 196858630), (164, 127237895), (205, 101790316), (212, 98429315), (265, 78743452), (410, 50895158), (530, 39371726), (820, 25447579), (1060, 19685863), (2173, 9602860), (4346, 4801430), (8692, 2400715), (10865, 1920572), (21730, 960286), (43460, 480143)]