20171939732

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2063}}^1\times {\mathrm{2549}}^1$

素因数の和:4760

約数の個数: 48

約数和(自身を含む): 40674009600

約数和(自身を除く): 20502069868

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 548, 959, 1918, 2063, 2549, 3836, 4126, 5098, 8252, 10196, 14441, 17843, 28882, 35686, 57764, 71372, 282631, 349213, 565262, 698426, 1130524, 1396852, 1978417, 2444491, 3956834, 4888982, 5258587, 7913668, 9777964, 10517174, 21034348, 36810109, 73620218, 147240436, 720426419, 1440852838, 2881705676, 5042984933, 10085969866, 20171939732]

約数ペア:

[(1, 20171939732), (2, 10085969866), (4, 5042984933), (7, 2881705676), (14, 1440852838), (28, 720426419), (137, 147240436), (274, 73620218), (548, 36810109), (959, 21034348), (1918, 10517174), (2063, 9777964), (2549, 7913668), (3836, 5258587), (4126, 4888982), (5098, 3956834), (8252, 2444491), (10196, 1978417), (14441, 1396852), (17843, 1130524), (28882, 698426), (35686, 565262), (57764, 349213), (71372, 282631)]