20082265

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 28901376

約数和(自身を除く): 8819111

約数列:

[1, 5, 7, 31, 35, 83, 155, 217, 223, 415, 581, 1085, 1115, 1561, 2573, 2905, 6913, 7805, 12865, 18011, 18509, 34565, 48391, 90055, 92545, 129563, 241955, 573779, 647815, 2868895, 4016453, 20082265]

約数ペア:

[(1, 20082265), (5, 4016453), (7, 2868895), (31, 647815), (35, 573779), (83, 241955), (155, 129563), (217, 92545), (223, 90055), (415, 48391), (581, 34565), (1085, 18509), (1115, 18011), (1561, 12865), (2573, 7805), (2905, 6913)]