20161641340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{349907}}^1$

素因数の和:350026

約数の個数: 48

約数和(自身を含む): 43970838912

約数和(自身を除く): 23809197572

約数列:

[1, 2, 4, 5, 10, 20, 43, 67, 86, 134, 172, 215, 268, 335, 430, 670, 860, 1340, 2881, 5762, 11524, 14405, 28810, 57620, 349907, 699814, 1399628, 1749535, 3499070, 6998140, 15046001, 23443769, 30092002, 46887538, 60184004, 75230005, 93775076, 117218845, 150460010, 234437690, 300920020, 468875380, 1008082067, 2016164134, 4032328268, 5040410335, 10080820670, 20161641340]

約数ペア:

[(1, 20161641340), (2, 10080820670), (4, 5040410335), (5, 4032328268), (10, 2016164134), (20, 1008082067), (43, 468875380), (67, 300920020), (86, 234437690), (134, 150460010), (172, 117218845), (215, 93775076), (268, 75230005), (335, 60184004), (430, 46887538), (670, 30092002), (860, 23443769), (1340, 15046001), (2881, 6998140), (5762, 3499070), (11524, 1749535), (14405, 1399628), (28810, 699814), (57620, 349907)]