20249320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5563}}^1$

素因数の和:5594

約数の個数: 64

約数和(自身を含む): 56085120

約数和(自身を除く): 35835800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 5563, 11126, 22252, 27815, 38941, 44504, 55630, 72319, 77882, 111260, 144638, 155764, 194705, 222520, 289276, 311528, 361595, 389410, 506233, 578552, 723190, 778820, 1012466, 1446380, 1557640, 2024932, 2531165, 2892760, 4049864, 5062330, 10124660, 20249320]

約数ペア:

[(1, 20249320), (2, 10124660), (4, 5062330), (5, 4049864), (7, 2892760), (8, 2531165), (10, 2024932), (13, 1557640), (14, 1446380), (20, 1012466), (26, 778820), (28, 723190), (35, 578552), (40, 506233), (52, 389410), (56, 361595), (65, 311528), (70, 289276), (91, 222520), (104, 194705), (130, 155764), (140, 144638), (182, 111260), (260, 77882), (280, 72319), (364, 55630), (455, 44504), (520, 38941), (728, 27815), (910, 22252), (1820, 11126), (3640, 5563)]