20059904

素因数分解:

$2^8\times {\mathrm{127}}^1\times {\mathrm{617}}^1$

素因数の和:760

約数の個数: 36

約数和(自身を含む): 40422144

約数和(自身を除く): 20362240

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 256, 508, 617, 1016, 1234, 2032, 2468, 4064, 4936, 8128, 9872, 16256, 19744, 32512, 39488, 78359, 78976, 156718, 157952, 313436, 626872, 1253744, 2507488, 5014976, 10029952, 20059904]

約数ペア:

[(1, 20059904), (2, 10029952), (4, 5014976), (8, 2507488), (16, 1253744), (32, 626872), (64, 313436), (127, 157952), (128, 156718), (254, 78976), (256, 78359), (508, 39488), (617, 32512), (1016, 19744), (1234, 16256), (2032, 9872), (2468, 8128), (4064, 4936)]