20106928

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:373

約数の個数: 40

約数和(自身を含む): 40216176

約数和(自身を除く): 20109248

約数列:

[1, 2, 4, 8, 16, 53, 106, 131, 181, 212, 262, 362, 424, 524, 724, 848, 1048, 1448, 2096, 2896, 6943, 9593, 13886, 19186, 23711, 27772, 38372, 47422, 55544, 76744, 94844, 111088, 153488, 189688, 379376, 1256683, 2513366, 5026732, 10053464, 20106928]

約数ペア:

[(1, 20106928), (2, 10053464), (4, 5026732), (8, 2513366), (16, 1256683), (53, 379376), (106, 189688), (131, 153488), (181, 111088), (212, 94844), (262, 76744), (362, 55544), (424, 47422), (524, 38372), (724, 27772), (848, 23711), (1048, 19186), (1448, 13886), (2096, 9593), (2896, 6943)]