20945424

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{367}}^1$

素因数の和:448

約数の個数: 80

約数和(自身を含む): 57496320

約数和(自身を除く): 36550896

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 41, 48, 58, 82, 87, 116, 123, 164, 174, 232, 246, 328, 348, 367, 464, 492, 656, 696, 734, 984, 1101, 1189, 1392, 1468, 1968, 2202, 2378, 2936, 3567, 4404, 4756, 5872, 7134, 8808, 9512, 10643, 14268, 15047, 17616, 19024, 21286, 28536, 30094, 31929, 42572, 45141, 57072, 60188, 63858, 85144, 90282, 120376, 127716, 170288, 180564, 240752, 255432, 361128, 436363, 510864, 722256, 872726, 1309089, 1745452, 2618178, 3490904, 5236356, 6981808, 10472712, 20945424]

約数ペア:

[(1, 20945424), (2, 10472712), (3, 6981808), (4, 5236356), (6, 3490904), (8, 2618178), (12, 1745452), (16, 1309089), (24, 872726), (29, 722256), (41, 510864), (48, 436363), (58, 361128), (82, 255432), (87, 240752), (116, 180564), (123, 170288), (164, 127716), (174, 120376), (232, 90282), (246, 85144), (328, 63858), (348, 60188), (367, 57072), (464, 45141), (492, 42572), (656, 31929), (696, 30094), (734, 28536), (984, 21286), (1101, 19024), (1189, 17616), (1392, 15047), (1468, 14268), (1968, 10643), (2202, 9512), (2378, 8808), (2936, 7134), (3567, 5872), (4404, 4756)]