20491072

素因数分解:

$2^6\times 7^1\times {\mathrm{53}}^1\times {\mathrm{863}}^1$

素因数の和:935

約数の個数: 56

約数和(自身を含む): 47402496

約数和(自身を除く): 26911424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 64, 106, 112, 212, 224, 371, 424, 448, 742, 848, 863, 1484, 1696, 1726, 2968, 3392, 3452, 5936, 6041, 6904, 11872, 12082, 13808, 23744, 24164, 27616, 45739, 48328, 55232, 91478, 96656, 182956, 193312, 320173, 365912, 386624, 640346, 731824, 1280692, 1463648, 2561384, 2927296, 5122768, 10245536, 20491072]

約数ペア:

[(1, 20491072), (2, 10245536), (4, 5122768), (7, 2927296), (8, 2561384), (14, 1463648), (16, 1280692), (28, 731824), (32, 640346), (53, 386624), (56, 365912), (64, 320173), (106, 193312), (112, 182956), (212, 96656), (224, 91478), (371, 55232), (424, 48328), (448, 45739), (742, 27616), (848, 24164), (863, 23744), (1484, 13808), (1696, 12082), (1726, 11872), (2968, 6904), (3392, 6041), (3452, 5936)]