20163957736

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{811231}}^1$

素因数の和:811489

約数の個数: 32

約数和(自身を含む): 40886092800

約数和(自身を除く): 20722135064

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 239, 478, 956, 1912, 3107, 6214, 12428, 24856, 811231, 1622462, 3244924, 6489848, 10546003, 21092006, 42184012, 84368024, 193884209, 387768418, 775536836, 1551073672, 2520494717, 5040989434, 10081978868, 20163957736]

約数ペア:

[(1, 20163957736), (2, 10081978868), (4, 5040989434), (8, 2520494717), (13, 1551073672), (26, 775536836), (52, 387768418), (104, 193884209), (239, 84368024), (478, 42184012), (956, 21092006), (1912, 10546003), (3107, 6489848), (6214, 3244924), (12428, 1622462), (24856, 811231)]