20305930

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{2113}}^1$

素因数の和:2182

約数の個数: 24

約数和(自身を含む): 37785636

約数和(自身を除く): 17479706

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 961, 1922, 2113, 4226, 4805, 9610, 10565, 21130, 65503, 131006, 327515, 655030, 2030593, 4061186, 10152965, 20305930]

約数ペア:

[(1, 20305930), (2, 10152965), (5, 4061186), (10, 2030593), (31, 655030), (62, 327515), (155, 131006), (310, 65503), (961, 21130), (1922, 10565), (2113, 9610), (4226, 4805)]