20765916

素因数分解:

$2^2\times 3^3\times {\mathrm{47}}^1\times {\mathrm{4091}}^1$

素因数の和:4151

約数の個数: 48

約数和(自身を含む): 54996480

約数和(自身を除く): 34230564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 47, 54, 94, 108, 141, 188, 282, 423, 564, 846, 1269, 1692, 2538, 4091, 5076, 8182, 12273, 16364, 24546, 36819, 49092, 73638, 110457, 147276, 192277, 220914, 384554, 441828, 576831, 769108, 1153662, 1730493, 2307324, 3460986, 5191479, 6921972, 10382958, 20765916]

約数ペア:

[(1, 20765916), (2, 10382958), (3, 6921972), (4, 5191479), (6, 3460986), (9, 2307324), (12, 1730493), (18, 1153662), (27, 769108), (36, 576831), (47, 441828), (54, 384554), (94, 220914), (108, 192277), (141, 147276), (188, 110457), (282, 73638), (423, 49092), (564, 36819), (846, 24546), (1269, 16364), (1692, 12273), (2538, 8182), (4091, 5076)]