20996869656

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{10867}}^1$

素因数の和:10974

約数の個数: 192

約数和(自身を含む): 64227271680

約数和(自身を除く): 43230402024

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 49, 53, 56, 62, 84, 93, 98, 106, 124, 147, 159, 168, 186, 196, 212, 217, 248, 294, 318, 371, 372, 392, 424, 434, 588, 636, 651, 742, 744, 868, 1113, 1176, 1272, 1302, 1484, 1519, 1643, 1736, 2226, 2597, 2604, 2968, 3038, 3286, 4452, 4557, 4929, 5194, 5208, 6076, 6572, 7791, 8904, 9114, 9858, 10388, 10867, 11501, 12152, 13144, 15582, 18228, 19716, 20776, 21734, 23002, 31164, 32601, 34503, 36456, 39432, 43468, 46004, 62328, 65202, 69006, 76069, 80507, 86936, 92008, 130404, 138012, 152138, 161014, 228207, 241521, 260808, 276024, 304276, 322028, 336877, 456414, 483042, 532483, 575951, 608552, 644056, 673754, 912828, 966084, 1010631, 1064966, 1151902, 1347508, 1597449, 1727853, 1825656, 1932168, 2021262, 2129932, 2303804, 2358139, 2695016, 3194898, 3455706, 4031657, 4042524, 4259864, 4607608, 4716278, 6389796, 6911412, 7074417, 8063314, 8085048, 9432556, 12094971, 12779592, 13822824, 14148834, 16126628, 16506973, 17854481, 18865112, 24189942, 28221599, 28297668, 32253256, 33013946, 35708962, 48379884, 49520919, 53563443, 56443198, 56595336, 66027892, 71417924, 84664797, 96759768, 99041838, 107126886, 112886396, 124981367, 132055784, 142835848, 169329594, 198083676, 214253772, 225772792, 249962734, 338659188, 374944101, 396167352, 428507544, 499925468, 677318376, 749888202, 874869569, 999850936, 1499776404, 1749739138, 2624608707, 2999552808, 3499478276, 5249217414, 6998956552, 10498434828, 20996869656]

約数ペア:

[(1, 20996869656), (2, 10498434828), (3, 6998956552), (4, 5249217414), (6, 3499478276), (7, 2999552808), (8, 2624608707), (12, 1749739138), (14, 1499776404), (21, 999850936), (24, 874869569), (28, 749888202), (31, 677318376), (42, 499925468), (49, 428507544), (53, 396167352), (56, 374944101), (62, 338659188), (84, 249962734), (93, 225772792), (98, 214253772), (106, 198083676), (124, 169329594), (147, 142835848), (159, 132055784), (168, 124981367), (186, 112886396), (196, 107126886), (212, 99041838), (217, 96759768), (248, 84664797), (294, 71417924), (318, 66027892), (371, 56595336), (372, 56443198), (392, 53563443), (424, 49520919), (434, 48379884), (588, 35708962), (636, 33013946), (651, 32253256), (742, 28297668), (744, 28221599), (868, 24189942), (1113, 18865112), (1176, 17854481), (1272, 16506973), (1302, 16126628), (1484, 14148834), (1519, 13822824), (1643, 12779592), (1736, 12094971), (2226, 9432556), (2597, 8085048), (2604, 8063314), (2968, 7074417), (3038, 6911412), (3286, 6389796), (4452, 4716278), (4557, 4607608), (4929, 4259864), (5194, 4042524), (5208, 4031657), (6076, 3455706), (6572, 3194898), (7791, 2695016), (8904, 2358139), (9114, 2303804), (9858, 2129932), (10388, 2021262), (10867, 1932168), (11501, 1825656), (12152, 1727853), (13144, 1597449), (15582, 1347508), (18228, 1151902), (19716, 1064966), (20776, 1010631), (21734, 966084), (23002, 912828), (31164, 673754), (32601, 644056), (34503, 608552), (36456, 575951), (39432, 532483), (43468, 483042), (46004, 456414), (62328, 336877), (65202, 322028), (69006, 304276), (76069, 276024), (80507, 260808), (86936, 241521), (92008, 228207), (130404, 161014), (138012, 152138)]