20355710

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:452

約数の個数: 32

約数和(自身を含む): 37713600

約数和(自身を除く): 17357890

約数列:

[1, 2, 5, 10, 53, 106, 193, 199, 265, 386, 398, 530, 965, 995, 1930, 1990, 10229, 10547, 20458, 21094, 38407, 51145, 52735, 76814, 102290, 105470, 192035, 384070, 2035571, 4071142, 10177855, 20355710]

約数ペア:

[(1, 20355710), (2, 10177855), (5, 4071142), (10, 2035571), (53, 384070), (106, 192035), (193, 105470), (199, 102290), (265, 76814), (386, 52735), (398, 51145), (530, 38407), (965, 21094), (995, 20458), (1930, 10547), (1990, 10229)]