20274744

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:293

約数の個数: 128

約数和(自身を含む): 63590400

約数和(自身を除く): 43315656

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 31, 34, 42, 51, 56, 62, 68, 84, 93, 102, 119, 124, 136, 168, 186, 204, 217, 229, 238, 248, 357, 372, 408, 434, 458, 476, 527, 651, 687, 714, 744, 868, 916, 952, 1054, 1302, 1374, 1428, 1581, 1603, 1736, 1832, 2108, 2604, 2748, 2856, 3162, 3206, 3689, 3893, 4216, 4809, 5208, 5496, 6324, 6412, 7099, 7378, 7786, 9618, 11067, 11679, 12648, 12824, 14198, 14756, 15572, 19236, 21297, 22134, 23358, 27251, 28396, 29512, 31144, 38472, 42594, 44268, 46716, 49693, 54502, 56792, 81753, 85188, 88536, 93432, 99386, 109004, 120683, 149079, 163506, 170376, 198772, 218008, 241366, 298158, 327012, 362049, 397544, 482732, 596316, 654024, 724098, 844781, 965464, 1192632, 1448196, 1689562, 2534343, 2896392, 3379124, 5068686, 6758248, 10137372, 20274744]

約数ペア:

[(1, 20274744), (2, 10137372), (3, 6758248), (4, 5068686), (6, 3379124), (7, 2896392), (8, 2534343), (12, 1689562), (14, 1448196), (17, 1192632), (21, 965464), (24, 844781), (28, 724098), (31, 654024), (34, 596316), (42, 482732), (51, 397544), (56, 362049), (62, 327012), (68, 298158), (84, 241366), (93, 218008), (102, 198772), (119, 170376), (124, 163506), (136, 149079), (168, 120683), (186, 109004), (204, 99386), (217, 93432), (229, 88536), (238, 85188), (248, 81753), (357, 56792), (372, 54502), (408, 49693), (434, 46716), (458, 44268), (476, 42594), (527, 38472), (651, 31144), (687, 29512), (714, 28396), (744, 27251), (868, 23358), (916, 22134), (952, 21297), (1054, 19236), (1302, 15572), (1374, 14756), (1428, 14198), (1581, 12824), (1603, 12648), (1736, 11679), (1832, 11067), (2108, 9618), (2604, 7786), (2748, 7378), (2856, 7099), (3162, 6412), (3206, 6324), (3689, 5496), (3893, 5208), (4216, 4809)]