20688122

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1601}}^1$

素因数の和:1694

約数の個数: 32

約数和(自身を含む): 38755584

約数和(自身を除く): 18067462

約数列:

[1, 2, 7, 13, 14, 26, 71, 91, 142, 182, 497, 923, 994, 1601, 1846, 3202, 6461, 11207, 12922, 20813, 22414, 41626, 113671, 145691, 227342, 291382, 795697, 1477723, 1591394, 2955446, 10344061, 20688122]

約数ペア:

[(1, 20688122), (2, 10344061), (7, 2955446), (13, 1591394), (14, 1477723), (26, 795697), (71, 291382), (91, 227342), (142, 145691), (182, 113671), (497, 41626), (923, 22414), (994, 20813), (1601, 12922), (1846, 11207), (3202, 6461)]