20182081792

素因数分解:

$2^8\times {\mathrm{101}}^1\times {\mathrm{571}}^1\times {\mathrm{1367}}^1$

素因数の和:2055

約数の個数: 72

約数和(自身を含む): 40785256512

約数和(自身を除く): 20603174720

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 128, 202, 256, 404, 571, 808, 1142, 1367, 1616, 2284, 2734, 3232, 4568, 5468, 6464, 9136, 10936, 12928, 18272, 21872, 25856, 36544, 43744, 57671, 73088, 87488, 115342, 138067, 146176, 174976, 230684, 276134, 349952, 461368, 552268, 780557, 922736, 1104536, 1561114, 1845472, 2209072, 3122228, 3690944, 4418144, 6244456, 7381888, 8836288, 12488912, 14763776, 17672576, 24977824, 35345152, 49955648, 78836257, 99911296, 157672514, 199822592, 315345028, 630690056, 1261380112, 2522760224, 5045520448, 10091040896, 20182081792]

約数ペア:

[(1, 20182081792), (2, 10091040896), (4, 5045520448), (8, 2522760224), (16, 1261380112), (32, 630690056), (64, 315345028), (101, 199822592), (128, 157672514), (202, 99911296), (256, 78836257), (404, 49955648), (571, 35345152), (808, 24977824), (1142, 17672576), (1367, 14763776), (1616, 12488912), (2284, 8836288), (2734, 7381888), (3232, 6244456), (4568, 4418144), (5468, 3690944), (6464, 3122228), (9136, 2209072), (10936, 1845472), (12928, 1561114), (18272, 1104536), (21872, 922736), (25856, 780557), (36544, 552268), (43744, 461368), (57671, 349952), (73088, 276134), (87488, 230684), (115342, 174976), (138067, 146176)]