20165510170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2184779}}^1$

素因数の和:2184870

約数の個数: 32

約数和(自身を含む): 39640648320

約数和(自身を除く): 19475138150

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 9230, 2184779, 4369558, 10923895, 21847790, 28402127, 56804254, 142010635, 155119309, 284021270, 310238618, 775596545, 1551193090, 2016551017, 4033102034, 10082755085, 20165510170]

約数ペア:

[(1, 20165510170), (2, 10082755085), (5, 4033102034), (10, 2016551017), (13, 1551193090), (26, 775596545), (65, 310238618), (71, 284021270), (130, 155119309), (142, 142010635), (355, 56804254), (710, 28402127), (923, 21847790), (1846, 10923895), (4615, 4369558), (9230, 2184779)]