20770688

素因数分解:

$2^7\times {\mathrm{263}}^1\times {\mathrm{617}}^1$

素因数の和:894

約数の個数: 32

約数和(自身を含む): 41603760

約数和(自身を除く): 20833072

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 263, 526, 617, 1052, 1234, 2104, 2468, 4208, 4936, 8416, 9872, 16832, 19744, 33664, 39488, 78976, 162271, 324542, 649084, 1298168, 2596336, 5192672, 10385344, 20770688]

約数ペア:

[(1, 20770688), (2, 10385344), (4, 5192672), (8, 2596336), (16, 1298168), (32, 649084), (64, 324542), (128, 162271), (263, 78976), (526, 39488), (617, 33664), (1052, 19744), (1234, 16832), (2104, 9872), (2468, 8416), (4208, 4936)]