20165448904

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{2531}}^1$

素因数の和:2675

約数の個数: 128

約数和(自身を含む): 43315430400

約数和(自身を除く): 23149981496

約数列:

[1, 2, 4, 8, 19, 23, 38, 43, 46, 53, 76, 86, 92, 106, 152, 172, 184, 212, 344, 424, 437, 817, 874, 989, 1007, 1219, 1634, 1748, 1978, 2014, 2279, 2438, 2531, 3268, 3496, 3956, 4028, 4558, 4876, 5062, 6536, 7912, 8056, 9116, 9752, 10124, 18232, 18791, 20248, 23161, 37582, 43301, 46322, 48089, 52417, 58213, 75164, 86602, 92644, 96178, 104834, 108833, 116426, 134143, 150328, 173204, 185288, 192356, 209668, 217666, 232852, 268286, 346408, 384712, 419336, 435332, 465704, 536572, 870664, 995923, 1073144, 1106047, 1991846, 2067827, 2212094, 2503159, 2548717, 3085289, 3983692, 4135654, 4424188, 5006318, 5097434, 5768149, 6170578, 7967384, 8271308, 8848376, 10012636, 10194868, 11536298, 12341156, 16542616, 20025272, 20389736, 23072596, 24682312, 46145192, 47560021, 58620491, 95120042, 109594831, 117240982, 132667427, 190240084, 219189662, 234481964, 265334854, 380480168, 438379324, 468963928, 530669708, 876758648, 1061339416, 2520681113, 5041362226, 10082724452, 20165448904]

約数ペア:

[(1, 20165448904), (2, 10082724452), (4, 5041362226), (8, 2520681113), (19, 1061339416), (23, 876758648), (38, 530669708), (43, 468963928), (46, 438379324), (53, 380480168), (76, 265334854), (86, 234481964), (92, 219189662), (106, 190240084), (152, 132667427), (172, 117240982), (184, 109594831), (212, 95120042), (344, 58620491), (424, 47560021), (437, 46145192), (817, 24682312), (874, 23072596), (989, 20389736), (1007, 20025272), (1219, 16542616), (1634, 12341156), (1748, 11536298), (1978, 10194868), (2014, 10012636), (2279, 8848376), (2438, 8271308), (2531, 7967384), (3268, 6170578), (3496, 5768149), (3956, 5097434), (4028, 5006318), (4558, 4424188), (4876, 4135654), (5062, 3983692), (6536, 3085289), (7912, 2548717), (8056, 2503159), (9116, 2212094), (9752, 2067827), (10124, 1991846), (18232, 1106047), (18791, 1073144), (20248, 995923), (23161, 870664), (37582, 536572), (43301, 465704), (46322, 435332), (48089, 419336), (52417, 384712), (58213, 346408), (75164, 268286), (86602, 232852), (92644, 217666), (96178, 209668), (104834, 192356), (108833, 185288), (116426, 173204), (134143, 150328)]