20728091808

素因数分解:

$2^5\times 3^4\times {\mathrm{1063}}^1\times {\mathrm{7523}}^1$

素因数の和:8608

約数の個数: 120

約数和(自身を含む): 61026200928

約数和(自身を除く): 40298109120

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 288, 324, 432, 648, 864, 1063, 1296, 2126, 2592, 3189, 4252, 6378, 7523, 8504, 9567, 12756, 15046, 17008, 19134, 22569, 25512, 28701, 30092, 34016, 38268, 45138, 51024, 57402, 60184, 67707, 76536, 86103, 90276, 102048, 114804, 120368, 135414, 153072, 172206, 180552, 203121, 229608, 240736, 270828, 306144, 344412, 361104, 406242, 459216, 541656, 609363, 688824, 722208, 812484, 918432, 1083312, 1218726, 1377648, 1624968, 2166624, 2437452, 2755296, 3249936, 4874904, 6499872, 7996949, 9749808, 15993898, 19499616, 23990847, 31987796, 47981694, 63975592, 71972541, 95963388, 127951184, 143945082, 191926776, 215917623, 255902368, 287890164, 383853552, 431835246, 575780328, 647752869, 767707104, 863670492, 1151560656, 1295505738, 1727340984, 2303121312, 2591011476, 3454681968, 5182022952, 6909363936, 10364045904, 20728091808]

約数ペア:

[(1, 20728091808), (2, 10364045904), (3, 6909363936), (4, 5182022952), (6, 3454681968), (8, 2591011476), (9, 2303121312), (12, 1727340984), (16, 1295505738), (18, 1151560656), (24, 863670492), (27, 767707104), (32, 647752869), (36, 575780328), (48, 431835246), (54, 383853552), (72, 287890164), (81, 255902368), (96, 215917623), (108, 191926776), (144, 143945082), (162, 127951184), (216, 95963388), (288, 71972541), (324, 63975592), (432, 47981694), (648, 31987796), (864, 23990847), (1063, 19499616), (1296, 15993898), (2126, 9749808), (2592, 7996949), (3189, 6499872), (4252, 4874904), (6378, 3249936), (7523, 2755296), (8504, 2437452), (9567, 2166624), (12756, 1624968), (15046, 1377648), (17008, 1218726), (19134, 1083312), (22569, 918432), (25512, 812484), (28701, 722208), (30092, 688824), (34016, 609363), (38268, 541656), (45138, 459216), (51024, 406242), (57402, 361104), (60184, 344412), (67707, 306144), (76536, 270828), (86103, 240736), (90276, 229608), (102048, 203121), (114804, 180552), (120368, 172206), (135414, 153072)]