20129883948

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{13003801}}^1$

素因数の和:13003854

約数の個数: 36

約数和(自身を含む): 52067223208

約数和(自身を除く): 31937339260

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 13003801, 26007602, 39011403, 52015204, 78022806, 117034209, 156045612, 234068418, 468136836, 559163443, 1118326886, 1677490329, 2236653772, 3354980658, 5032470987, 6709961316, 10064941974, 20129883948]

約数ペア:

[(1, 20129883948), (2, 10064941974), (3, 6709961316), (4, 5032470987), (6, 3354980658), (9, 2236653772), (12, 1677490329), (18, 1118326886), (36, 559163443), (43, 468136836), (86, 234068418), (129, 156045612), (172, 117034209), (258, 78022806), (387, 52015204), (516, 39011403), (774, 26007602), (1548, 13003801)]