16207420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26141}}^1$

素因数の和:26181

約数の個数: 24

約数和(自身を含む): 35134848

約数和(自身を除く): 18927428

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 26141, 52282, 104564, 130705, 261410, 522820, 810371, 1620742, 3241484, 4051855, 8103710, 16207420]

約数ペア:

[(1, 16207420), (2, 8103710), (4, 4051855), (5, 3241484), (10, 1620742), (20, 810371), (31, 522820), (62, 261410), (124, 130705), (155, 104564), (310, 52282), (620, 26141)]