20779562888

素因数分解:

$2^3\times 7^3\times {\mathrm{23}}^1\times {\mathrm{337}}^1\times {\mathrm{977}}^1$

素因数の和:1364

約数の個数: 128

約数和(自身を含む): 47601216000

約数和(自身を除く): 26821653112

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 49, 56, 92, 98, 161, 184, 196, 322, 337, 343, 392, 644, 674, 686, 977, 1127, 1288, 1348, 1372, 1954, 2254, 2359, 2696, 2744, 3908, 4508, 4718, 6839, 7751, 7816, 7889, 9016, 9436, 13678, 15502, 15778, 16513, 18872, 22471, 27356, 31004, 31556, 33026, 44942, 47873, 54257, 54712, 62008, 63112, 66052, 89884, 95746, 108514, 115591, 132104, 157297, 179768, 191492, 217028, 231182, 314594, 329249, 335111, 379799, 382984, 434056, 462364, 629188, 658498, 670222, 759598, 924728, 1101079, 1258376, 1316996, 1340444, 1519196, 2202158, 2304743, 2633992, 2658593, 2680888, 3038392, 4404316, 4609486, 5317186, 7572727, 7707553, 8808632, 9218972, 10634372, 15145454, 15415106, 16133201, 18437944, 21268744, 30290908, 30830212, 32266402, 53009089, 60581816, 61660424, 64532804, 106018178, 112932407, 129065608, 212036356, 225864814, 371063623, 424072712, 451729628, 742127246, 903459256, 1484254492, 2597445361, 2968508984, 5194890722, 10389781444, 20779562888]

約数ペア:

[(1, 20779562888), (2, 10389781444), (4, 5194890722), (7, 2968508984), (8, 2597445361), (14, 1484254492), (23, 903459256), (28, 742127246), (46, 451729628), (49, 424072712), (56, 371063623), (92, 225864814), (98, 212036356), (161, 129065608), (184, 112932407), (196, 106018178), (322, 64532804), (337, 61660424), (343, 60581816), (392, 53009089), (644, 32266402), (674, 30830212), (686, 30290908), (977, 21268744), (1127, 18437944), (1288, 16133201), (1348, 15415106), (1372, 15145454), (1954, 10634372), (2254, 9218972), (2359, 8808632), (2696, 7707553), (2744, 7572727), (3908, 5317186), (4508, 4609486), (4718, 4404316), (6839, 3038392), (7751, 2680888), (7816, 2658593), (7889, 2633992), (9016, 2304743), (9436, 2202158), (13678, 1519196), (15502, 1340444), (15778, 1316996), (16513, 1258376), (18872, 1101079), (22471, 924728), (27356, 759598), (31004, 670222), (31556, 658498), (33026, 629188), (44942, 462364), (47873, 434056), (54257, 382984), (54712, 379799), (62008, 335111), (63112, 329249), (66052, 314594), (89884, 231182), (95746, 217028), (108514, 191492), (115591, 179768), (132104, 157297)]