20147218

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4813}}^1$

素因数の和:4858

約数の個数: 32

約数和(自身を含む): 38820096

約数和(自身を除く): 18672878

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 91, 161, 182, 299, 322, 598, 2093, 4186, 4813, 9626, 33691, 62569, 67382, 110699, 125138, 221398, 437983, 774893, 875966, 1439087, 1549786, 2878174, 10073609, 20147218]

約数ペア:

[(1, 20147218), (2, 10073609), (7, 2878174), (13, 1549786), (14, 1439087), (23, 875966), (26, 774893), (46, 437983), (91, 221398), (161, 125138), (182, 110699), (299, 67382), (322, 62569), (598, 33691), (2093, 9626), (4186, 4813)]