20189545904

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{200899}}^1$

素因数の和:201489

約数の個数: 40

約数和(自身を含む): 42748305600

約数和(自身を除く): 22558759696

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 571, 1142, 2284, 4568, 6281, 9136, 12562, 25124, 50248, 100496, 200899, 401798, 803596, 1607192, 2209889, 3214384, 4419778, 8839556, 17679112, 35358224, 114713329, 229426658, 458853316, 917706632, 1261846619, 1835413264, 2523693238, 5047386476, 10094772952, 20189545904]

約数ペア:

[(1, 20189545904), (2, 10094772952), (4, 5047386476), (8, 2523693238), (11, 1835413264), (16, 1261846619), (22, 917706632), (44, 458853316), (88, 229426658), (176, 114713329), (571, 35358224), (1142, 17679112), (2284, 8839556), (4568, 4419778), (6281, 3214384), (9136, 2209889), (12562, 1607192), (25124, 803596), (50248, 401798), (100496, 200899)]