20996800

素因数分解:

$2^6\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1193}}^1$

素因数の和:1226

約数の個数: 84

約数和(自身を含む): 56409336

約数和(自身を除く): 35412536

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 160, 176, 200, 220, 275, 320, 352, 400, 440, 550, 704, 800, 880, 1100, 1193, 1600, 1760, 2200, 2386, 3520, 4400, 4772, 5965, 8800, 9544, 11930, 13123, 17600, 19088, 23860, 26246, 29825, 38176, 47720, 52492, 59650, 65615, 76352, 95440, 104984, 119300, 131230, 190880, 209968, 238600, 262460, 328075, 381760, 419936, 477200, 524920, 656150, 839872, 954400, 1049840, 1312300, 1908800, 2099680, 2624600, 4199360, 5249200, 10498400, 20996800]

約数ペア:

[(1, 20996800), (2, 10498400), (4, 5249200), (5, 4199360), (8, 2624600), (10, 2099680), (11, 1908800), (16, 1312300), (20, 1049840), (22, 954400), (25, 839872), (32, 656150), (40, 524920), (44, 477200), (50, 419936), (55, 381760), (64, 328075), (80, 262460), (88, 238600), (100, 209968), (110, 190880), (160, 131230), (176, 119300), (200, 104984), (220, 95440), (275, 76352), (320, 65615), (352, 59650), (400, 52492), (440, 47720), (550, 38176), (704, 29825), (800, 26246), (880, 23860), (1100, 19088), (1193, 17600), (1600, 13123), (1760, 11930), (2200, 9544), (2386, 8800), (3520, 5965), (4400, 4772)]