20156987144

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{32779}}^1$

素因数の和:33010

約数の個数: 64

約数和(自身を含む): 44056320000

約数和(自身を除く): 23899332856

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 139, 158, 278, 316, 553, 556, 632, 973, 1106, 1112, 1946, 2212, 3892, 4424, 7784, 10981, 21962, 32779, 43924, 65558, 76867, 87848, 131116, 153734, 229453, 262232, 307468, 458906, 614936, 917812, 1835624, 2589541, 4556281, 5179082, 9112562, 10358164, 18126787, 18225124, 20716328, 31893967, 36253574, 36450248, 63787934, 72507148, 127575868, 145014296, 255151736, 359946199, 719892398, 1439784796, 2519623393, 2879569592, 5039246786, 10078493572, 20156987144]

約数ペア:

[(1, 20156987144), (2, 10078493572), (4, 5039246786), (7, 2879569592), (8, 2519623393), (14, 1439784796), (28, 719892398), (56, 359946199), (79, 255151736), (139, 145014296), (158, 127575868), (278, 72507148), (316, 63787934), (553, 36450248), (556, 36253574), (632, 31893967), (973, 20716328), (1106, 18225124), (1112, 18126787), (1946, 10358164), (2212, 9112562), (3892, 5179082), (4424, 4556281), (7784, 2589541), (10981, 1835624), (21962, 917812), (32779, 614936), (43924, 458906), (65558, 307468), (76867, 262232), (87848, 229453), (131116, 153734)]