20846808

素因数分解:

$2^3\times 3^4\times {\mathrm{53}}^1\times {\mathrm{607}}^1$

素因数の和:678

約数の個数: 80

約数和(自身を含む): 59590080

約数和(自身を除く): 38743272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 53, 54, 72, 81, 106, 108, 159, 162, 212, 216, 318, 324, 424, 477, 607, 636, 648, 954, 1214, 1272, 1431, 1821, 1908, 2428, 2862, 3642, 3816, 4293, 4856, 5463, 5724, 7284, 8586, 10926, 11448, 14568, 16389, 17172, 21852, 32171, 32778, 34344, 43704, 49167, 64342, 65556, 96513, 98334, 128684, 131112, 193026, 196668, 257368, 289539, 386052, 393336, 579078, 772104, 868617, 1158156, 1737234, 2316312, 2605851, 3474468, 5211702, 6948936, 10423404, 20846808]

約数ペア:

[(1, 20846808), (2, 10423404), (3, 6948936), (4, 5211702), (6, 3474468), (8, 2605851), (9, 2316312), (12, 1737234), (18, 1158156), (24, 868617), (27, 772104), (36, 579078), (53, 393336), (54, 386052), (72, 289539), (81, 257368), (106, 196668), (108, 193026), (159, 131112), (162, 128684), (212, 98334), (216, 96513), (318, 65556), (324, 64342), (424, 49167), (477, 43704), (607, 34344), (636, 32778), (648, 32171), (954, 21852), (1214, 17172), (1272, 16389), (1431, 14568), (1821, 11448), (1908, 10926), (2428, 8586), (2862, 7284), (3642, 5724), (3816, 5463), (4293, 4856)]