20161896816

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1\times {\mathrm{727}}^1$

素因数の和:1451

約数の個数: 160

約数和(自身を含む): 56156405760

約数和(自身を除く): 35994508944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 47, 48, 57, 76, 94, 114, 141, 152, 188, 228, 282, 304, 376, 456, 564, 647, 727, 752, 893, 912, 1128, 1294, 1454, 1786, 1941, 2181, 2256, 2588, 2679, 2908, 3572, 3882, 4362, 5176, 5358, 5816, 7144, 7764, 8724, 10352, 10716, 11632, 12293, 13813, 14288, 15528, 17448, 21432, 24586, 27626, 30409, 31056, 34169, 34896, 36879, 41439, 42864, 49172, 55252, 60818, 68338, 73758, 82878, 91227, 98344, 102507, 110504, 121636, 136676, 147516, 165756, 182454, 196688, 205014, 221008, 243272, 273352, 295032, 331512, 364908, 410028, 470369, 486544, 546704, 577771, 590064, 649211, 663024, 729816, 820056, 940738, 1155542, 1298422, 1411107, 1459632, 1640112, 1733313, 1881476, 1947633, 2311084, 2596844, 2822214, 3466626, 3762952, 3895266, 4622168, 5193688, 5644428, 6933252, 7525904, 7790532, 8937011, 9244336, 10387376, 11288856, 13866504, 15581064, 17874022, 22107343, 22577712, 26811033, 27733008, 31162128, 35748044, 44214686, 53622066, 66322029, 71496088, 88429372, 107244132, 132644058, 142992176, 176858744, 214488264, 265288116, 353717488, 420039517, 428976528, 530576232, 840079034, 1061152464, 1260118551, 1680158068, 2520237102, 3360316136, 5040474204, 6720632272, 10080948408, 20161896816]

約数ペア:

[(1, 20161896816), (2, 10080948408), (3, 6720632272), (4, 5040474204), (6, 3360316136), (8, 2520237102), (12, 1680158068), (16, 1260118551), (19, 1061152464), (24, 840079034), (38, 530576232), (47, 428976528), (48, 420039517), (57, 353717488), (76, 265288116), (94, 214488264), (114, 176858744), (141, 142992176), (152, 132644058), (188, 107244132), (228, 88429372), (282, 71496088), (304, 66322029), (376, 53622066), (456, 44214686), (564, 35748044), (647, 31162128), (727, 27733008), (752, 26811033), (893, 22577712), (912, 22107343), (1128, 17874022), (1294, 15581064), (1454, 13866504), (1786, 11288856), (1941, 10387376), (2181, 9244336), (2256, 8937011), (2588, 7790532), (2679, 7525904), (2908, 6933252), (3572, 5644428), (3882, 5193688), (4362, 4622168), (5176, 3895266), (5358, 3762952), (5816, 3466626), (7144, 2822214), (7764, 2596844), (8724, 2311084), (10352, 1947633), (10716, 1881476), (11632, 1733313), (12293, 1640112), (13813, 1459632), (14288, 1411107), (15528, 1298422), (17448, 1155542), (21432, 940738), (24586, 820056), (27626, 729816), (30409, 663024), (31056, 649211), (34169, 590064), (34896, 577771), (36879, 546704), (41439, 486544), (42864, 470369), (49172, 410028), (55252, 364908), (60818, 331512), (68338, 295032), (73758, 273352), (82878, 243272), (91227, 221008), (98344, 205014), (102507, 196688), (110504, 182454), (121636, 165756), (136676, 147516)]