20784384864

素因数分解:

$2^5\times 3^6\times {\mathrm{890963}}^1$

素因数の和:890991

約数の個数: 84

約数和(自身を含む): 61350890076

約数和(自身を除く): 40566505212

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 243, 288, 324, 432, 486, 648, 729, 864, 972, 1296, 1458, 1944, 2592, 2916, 3888, 5832, 7776, 11664, 23328, 890963, 1781926, 2672889, 3563852, 5345778, 7127704, 8018667, 10691556, 14255408, 16037334, 21383112, 24056001, 28510816, 32074668, 42766224, 48112002, 64149336, 72168003, 85532448, 96224004, 128298672, 144336006, 192448008, 216504009, 256597344, 288672012, 384896016, 433008018, 577344024, 649512027, 769792032, 866016036, 1154688048, 1299024054, 1732032072, 2309376096, 2598048108, 3464064144, 5196096216, 6928128288, 10392192432, 20784384864]

約数ペア:

[(1, 20784384864), (2, 10392192432), (3, 6928128288), (4, 5196096216), (6, 3464064144), (8, 2598048108), (9, 2309376096), (12, 1732032072), (16, 1299024054), (18, 1154688048), (24, 866016036), (27, 769792032), (32, 649512027), (36, 577344024), (48, 433008018), (54, 384896016), (72, 288672012), (81, 256597344), (96, 216504009), (108, 192448008), (144, 144336006), (162, 128298672), (216, 96224004), (243, 85532448), (288, 72168003), (324, 64149336), (432, 48112002), (486, 42766224), (648, 32074668), (729, 28510816), (864, 24056001), (972, 21383112), (1296, 16037334), (1458, 14255408), (1944, 10691556), (2592, 8018667), (2916, 7127704), (3888, 5345778), (5832, 3563852), (7776, 2672889), (11664, 1781926), (23328, 890963)]