20095130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 41803776

約数和(自身を除く): 21708646

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 71, 83, 110, 142, 155, 166, 310, 341, 355, 415, 682, 710, 781, 830, 913, 1562, 1705, 1826, 2201, 2573, 3410, 3905, 4402, 4565, 5146, 5893, 7810, 9130, 11005, 11786, 12865, 22010, 24211, 25730, 28303, 29465, 48422, 56606, 58930, 64823, 121055, 129646, 141515, 182683, 242110, 283030, 324115, 365366, 648230, 913415, 1826830, 2009513, 4019026, 10047565, 20095130]

約数ペア:

[(1, 20095130), (2, 10047565), (5, 4019026), (10, 2009513), (11, 1826830), (22, 913415), (31, 648230), (55, 365366), (62, 324115), (71, 283030), (83, 242110), (110, 182683), (142, 141515), (155, 129646), (166, 121055), (310, 64823), (341, 58930), (355, 56606), (415, 48422), (682, 29465), (710, 28303), (781, 25730), (830, 24211), (913, 22010), (1562, 12865), (1705, 11786), (1826, 11005), (2201, 9130), (2573, 7810), (3410, 5893), (3905, 5146), (4402, 4565)]