20609827784

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{4909}}^1$

素因数の和:5087

約数の個数: 128

約数和(自身を含む): 48832896000

約数和(自身を除く): 28223068216

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 73, 79, 91, 104, 146, 158, 182, 292, 316, 364, 511, 553, 584, 632, 728, 949, 1022, 1027, 1106, 1898, 2044, 2054, 2212, 3796, 4088, 4108, 4424, 4909, 5767, 6643, 7189, 7592, 8216, 9818, 11534, 13286, 14378, 19636, 23068, 26572, 28756, 34363, 39272, 40369, 46136, 53144, 57512, 63817, 68726, 74971, 80738, 127634, 137452, 149942, 161476, 255268, 274904, 299884, 322952, 358357, 387811, 446719, 510536, 524797, 599768, 716714, 775622, 893438, 1049594, 1433428, 1551244, 1786876, 2099188, 2508499, 2714677, 2866856, 3102488, 3573752, 4198376, 4658641, 5016998, 5041543, 5429354, 9317282, 10033996, 10083086, 10858708, 18634564, 20067992, 20166172, 21717416, 28310203, 32610487, 35290801, 37269128, 40332344, 56620406, 65220974, 70581602, 113240812, 130441948, 141163204, 198171421, 226481624, 260883896, 282326408, 368032639, 396342842, 736065278, 792685684, 1472130556, 1585371368, 2576228473, 2944261112, 5152456946, 10304913892, 20609827784]

約数ペア:

[(1, 20609827784), (2, 10304913892), (4, 5152456946), (7, 2944261112), (8, 2576228473), (13, 1585371368), (14, 1472130556), (26, 792685684), (28, 736065278), (52, 396342842), (56, 368032639), (73, 282326408), (79, 260883896), (91, 226481624), (104, 198171421), (146, 141163204), (158, 130441948), (182, 113240812), (292, 70581602), (316, 65220974), (364, 56620406), (511, 40332344), (553, 37269128), (584, 35290801), (632, 32610487), (728, 28310203), (949, 21717416), (1022, 20166172), (1027, 20067992), (1106, 18634564), (1898, 10858708), (2044, 10083086), (2054, 10033996), (2212, 9317282), (3796, 5429354), (4088, 5041543), (4108, 5016998), (4424, 4658641), (4909, 4198376), (5767, 3573752), (6643, 3102488), (7189, 2866856), (7592, 2714677), (8216, 2508499), (9818, 2099188), (11534, 1786876), (13286, 1551244), (14378, 1433428), (19636, 1049594), (23068, 893438), (26572, 775622), (28756, 716714), (34363, 599768), (39272, 524797), (40369, 510536), (46136, 446719), (53144, 387811), (57512, 358357), (63817, 322952), (68726, 299884), (74971, 274904), (80738, 255268), (127634, 161476), (137452, 149942)]