20681121552

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{70667}}^1$

素因数の和:70765

約数の個数: 160

約数和(自身を含む): 66737728512

約数和(自身を除く): 46056606960

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 67, 78, 84, 91, 104, 112, 134, 156, 168, 182, 201, 208, 268, 273, 312, 336, 364, 402, 469, 536, 546, 624, 728, 804, 871, 938, 1072, 1092, 1407, 1456, 1608, 1742, 1876, 2184, 2613, 2814, 3216, 3484, 3752, 4368, 5226, 5628, 6097, 6968, 7504, 10452, 11256, 12194, 13936, 18291, 20904, 22512, 24388, 36582, 41808, 48776, 70667, 73164, 97552, 141334, 146328, 212001, 282668, 292656, 424002, 494669, 565336, 848004, 918671, 989338, 1130672, 1484007, 1696008, 1837342, 1978676, 2756013, 2968014, 3392016, 3674684, 3957352, 4734689, 5512026, 5936028, 6430697, 7349368, 7914704, 9469378, 11024052, 11872056, 12861394, 14204067, 14698736, 18938756, 19292091, 22048104, 23744112, 25722788, 28408134, 33142823, 37877512, 38584182, 44096208, 51445576, 56816268, 61550957, 66285646, 75755024, 77168364, 99428469, 102891152, 113632536, 123101914, 132571292, 154336728, 184652871, 198856938, 227265072, 246203828, 265142584, 308673456, 369305742, 397713876, 430856699, 492407656, 530285168, 738611484, 795427752, 861713398, 984815312, 1292570097, 1477222968, 1590855504, 1723426796, 2585140194, 2954445936, 3446853592, 5170280388, 6893707184, 10340560776, 20681121552]

約数ペア:

[(1, 20681121552), (2, 10340560776), (3, 6893707184), (4, 5170280388), (6, 3446853592), (7, 2954445936), (8, 2585140194), (12, 1723426796), (13, 1590855504), (14, 1477222968), (16, 1292570097), (21, 984815312), (24, 861713398), (26, 795427752), (28, 738611484), (39, 530285168), (42, 492407656), (48, 430856699), (52, 397713876), (56, 369305742), (67, 308673456), (78, 265142584), (84, 246203828), (91, 227265072), (104, 198856938), (112, 184652871), (134, 154336728), (156, 132571292), (168, 123101914), (182, 113632536), (201, 102891152), (208, 99428469), (268, 77168364), (273, 75755024), (312, 66285646), (336, 61550957), (364, 56816268), (402, 51445576), (469, 44096208), (536, 38584182), (546, 37877512), (624, 33142823), (728, 28408134), (804, 25722788), (871, 23744112), (938, 22048104), (1072, 19292091), (1092, 18938756), (1407, 14698736), (1456, 14204067), (1608, 12861394), (1742, 11872056), (1876, 11024052), (2184, 9469378), (2613, 7914704), (2814, 7349368), (3216, 6430697), (3484, 5936028), (3752, 5512026), (4368, 4734689), (5226, 3957352), (5628, 3674684), (6097, 3392016), (6968, 2968014), (7504, 2756013), (10452, 1978676), (11256, 1837342), (12194, 1696008), (13936, 1484007), (18291, 1130672), (20904, 989338), (22512, 918671), (24388, 848004), (36582, 565336), (41808, 494669), (48776, 424002), (70667, 292656), (73164, 282668), (97552, 212001), (141334, 146328)]