16142020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{397}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 36106560

約数和(自身を除く): 19964540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 107, 190, 214, 380, 397, 428, 535, 794, 1070, 1588, 1985, 2033, 2140, 3970, 4066, 7543, 7940, 8132, 10165, 15086, 20330, 30172, 37715, 40660, 42479, 75430, 84958, 150860, 169916, 212395, 424790, 807101, 849580, 1614202, 3228404, 4035505, 8071010, 16142020]

約数ペア:

[(1, 16142020), (2, 8071010), (4, 4035505), (5, 3228404), (10, 1614202), (19, 849580), (20, 807101), (38, 424790), (76, 212395), (95, 169916), (107, 150860), (190, 84958), (214, 75430), (380, 42479), (397, 40660), (428, 37715), (535, 30172), (794, 20330), (1070, 15086), (1588, 10165), (1985, 8132), (2033, 7940), (2140, 7543), (3970, 4066)]