20235640940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1997}}^1\times {\mathrm{29803}}^1$

素因数の和:31826

約数の個数: 48

約数和(自身を含む): 45018584352

約数和(自身を除く): 24782943412

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1997, 3994, 7988, 9985, 19970, 29803, 33949, 39940, 59606, 67898, 119212, 135796, 149015, 169745, 298030, 339490, 506651, 596060, 678980, 1013302, 2026604, 2533255, 5066510, 10133020, 59516591, 119033182, 238066364, 297582955, 595165910, 1011782047, 1190331820, 2023564094, 4047128188, 5058910235, 10117820470, 20235640940]

約数ペア:

[(1, 20235640940), (2, 10117820470), (4, 5058910235), (5, 4047128188), (10, 2023564094), (17, 1190331820), (20, 1011782047), (34, 595165910), (68, 297582955), (85, 238066364), (170, 119033182), (340, 59516591), (1997, 10133020), (3994, 5066510), (7988, 2533255), (9985, 2026604), (19970, 1013302), (29803, 678980), (33949, 596060), (39940, 506651), (59606, 339490), (67898, 298030), (119212, 169745), (135796, 149015)]