20092280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38639}}^1$

素因数の和:38663

約数の個数: 32

約数和(自身を含む): 48686400

約数和(自身を除く): 28594120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38639, 77278, 154556, 193195, 309112, 386390, 502307, 772780, 1004614, 1545560, 2009228, 2511535, 4018456, 5023070, 10046140, 20092280]

約数ペア:

[(1, 20092280), (2, 10046140), (4, 5023070), (5, 4018456), (8, 2511535), (10, 2009228), (13, 1545560), (20, 1004614), (26, 772780), (40, 502307), (52, 386390), (65, 309112), (104, 193195), (130, 154556), (260, 77278), (520, 38639)]