20539200

素因数分解:

$2^6\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{389}}^1$

素因数の和:425

約数の個数: 168

約数和(自身を含む): 73700640

約数和(自身を除く): 53161440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 25, 30, 32, 33, 40, 44, 48, 50, 55, 60, 64, 66, 75, 80, 88, 96, 100, 110, 120, 132, 150, 160, 165, 176, 192, 200, 220, 240, 264, 275, 300, 320, 330, 352, 389, 400, 440, 480, 528, 550, 600, 660, 704, 778, 800, 825, 880, 960, 1056, 1100, 1167, 1200, 1320, 1556, 1600, 1650, 1760, 1945, 2112, 2200, 2334, 2400, 2640, 3112, 3300, 3520, 3890, 4279, 4400, 4668, 4800, 5280, 5835, 6224, 6600, 7780, 8558, 8800, 9336, 9725, 10560, 11670, 12448, 12837, 13200, 15560, 17116, 17600, 18672, 19450, 21395, 23340, 24896, 25674, 26400, 29175, 31120, 34232, 37344, 38900, 42790, 46680, 51348, 52800, 58350, 62240, 64185, 68464, 74688, 77800, 85580, 93360, 102696, 106975, 116700, 124480, 128370, 136928, 155600, 171160, 186720, 205392, 213950, 233400, 256740, 273856, 311200, 320925, 342320, 373440, 410784, 427900, 466800, 513480, 622400, 641850, 684640, 821568, 855800, 933600, 1026960, 1283700, 1369280, 1711600, 1867200, 2053920, 2567400, 3423200, 4107840, 5134800, 6846400, 10269600, 20539200]

約数ペア:

[(1, 20539200), (2, 10269600), (3, 6846400), (4, 5134800), (5, 4107840), (6, 3423200), (8, 2567400), (10, 2053920), (11, 1867200), (12, 1711600), (15, 1369280), (16, 1283700), (20, 1026960), (22, 933600), (24, 855800), (25, 821568), (30, 684640), (32, 641850), (33, 622400), (40, 513480), (44, 466800), (48, 427900), (50, 410784), (55, 373440), (60, 342320), (64, 320925), (66, 311200), (75, 273856), (80, 256740), (88, 233400), (96, 213950), (100, 205392), (110, 186720), (120, 171160), (132, 155600), (150, 136928), (160, 128370), (165, 124480), (176, 116700), (192, 106975), (200, 102696), (220, 93360), (240, 85580), (264, 77800), (275, 74688), (300, 68464), (320, 64185), (330, 62240), (352, 58350), (389, 52800), (400, 51348), (440, 46680), (480, 42790), (528, 38900), (550, 37344), (600, 34232), (660, 31120), (704, 29175), (778, 26400), (800, 25674), (825, 24896), (880, 23340), (960, 21395), (1056, 19450), (1100, 18672), (1167, 17600), (1200, 17116), (1320, 15560), (1556, 13200), (1600, 12837), (1650, 12448), (1760, 11670), (1945, 10560), (2112, 9725), (2200, 9336), (2334, 8800), (2400, 8558), (2640, 7780), (3112, 6600), (3300, 6224), (3520, 5835), (3890, 5280), (4279, 4800), (4400, 4668)]