20170409420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{16631}}^1\times {\mathrm{8663}}^1$

素因数の和:25310

約数の個数: 48

約数和(自身を含む): 48417481728

約数和(自身を除く): 28247072308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 8663, 16631, 17326, 33262, 34652, 43315, 60641, 66524, 83155, 86630, 116417, 121282, 166310, 173260, 232834, 242564, 303205, 332620, 465668, 582085, 606410, 1164170, 1212820, 2328340, 144074353, 288148706, 576297412, 720371765, 1008520471, 1440743530, 2017040942, 2881487060, 4034081884, 5042602355, 10085204710, 20170409420]

約数ペア:

[(1, 20170409420), (2, 10085204710), (4, 5042602355), (5, 4034081884), (7, 2881487060), (10, 2017040942), (14, 1440743530), (20, 1008520471), (28, 720371765), (35, 576297412), (70, 288148706), (140, 144074353), (8663, 2328340), (16631, 1212820), (17326, 1164170), (33262, 606410), (34652, 582085), (43315, 465668), (60641, 332620), (66524, 303205), (83155, 242564), (86630, 232834), (116417, 173260), (121282, 166310)]