20213878836

素因数分解:

$2^2\times 3^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1\times {\mathrm{43427}}^1$

素因数の和:44004

約数の個数: 48

約数和(自身を含む): 47861130240

約数和(自身を除く): 27647251404

約数列:

[1, 2, 3, 4, 6, 12, 79, 158, 237, 316, 474, 491, 948, 982, 1473, 1964, 2946, 5892, 38789, 43427, 77578, 86854, 116367, 130281, 155156, 173708, 232734, 260562, 465468, 521124, 3430733, 6861466, 10292199, 13722932, 20584398, 21322657, 41168796, 42645314, 63967971, 85290628, 127935942, 255871884, 1684489903, 3368979806, 5053469709, 6737959612, 10106939418, 20213878836]

約数ペア:

[(1, 20213878836), (2, 10106939418), (3, 6737959612), (4, 5053469709), (6, 3368979806), (12, 1684489903), (79, 255871884), (158, 127935942), (237, 85290628), (316, 63967971), (474, 42645314), (491, 41168796), (948, 21322657), (982, 20584398), (1473, 13722932), (1964, 10292199), (2946, 6861466), (5892, 3430733), (38789, 521124), (43427, 465468), (77578, 260562), (86854, 232734), (116367, 173708), (130281, 155156)]