20785752

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:497

約数の個数: 96

約数和(自身を含む): 61916400

約数和(自身を除く): 41130648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 53, 72, 78, 104, 106, 117, 156, 159, 212, 234, 312, 318, 419, 424, 468, 477, 636, 689, 838, 936, 954, 1257, 1272, 1378, 1676, 1908, 2067, 2514, 2756, 3352, 3771, 3816, 4134, 5028, 5447, 5512, 6201, 7542, 8268, 10056, 10894, 12402, 15084, 16341, 16536, 21788, 22207, 24804, 30168, 32682, 43576, 44414, 49023, 49608, 65364, 66621, 88828, 98046, 130728, 133242, 177656, 196092, 199863, 266484, 288691, 392184, 399726, 532968, 577382, 799452, 866073, 1154764, 1598904, 1732146, 2309528, 2598219, 3464292, 5196438, 6928584, 10392876, 20785752]

約数ペア:

[(1, 20785752), (2, 10392876), (3, 6928584), (4, 5196438), (6, 3464292), (8, 2598219), (9, 2309528), (12, 1732146), (13, 1598904), (18, 1154764), (24, 866073), (26, 799452), (36, 577382), (39, 532968), (52, 399726), (53, 392184), (72, 288691), (78, 266484), (104, 199863), (106, 196092), (117, 177656), (156, 133242), (159, 130728), (212, 98046), (234, 88828), (312, 66621), (318, 65364), (419, 49608), (424, 49023), (468, 44414), (477, 43576), (636, 32682), (689, 30168), (838, 24804), (936, 22207), (954, 21788), (1257, 16536), (1272, 16341), (1378, 15084), (1676, 12402), (1908, 10894), (2067, 10056), (2514, 8268), (2756, 7542), (3352, 6201), (3771, 5512), (3816, 5447), (4134, 5028)]