20213854528

素因数分解:

$2^6\times 7^1\times {\mathrm{83}}^1\times {\mathrm{543617}}^1$

素因数の和:543719

約数の個数: 56

約数和(自身を含む): 46394534592

約数和(自身を除く): 26180680064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 83, 112, 166, 224, 332, 448, 581, 664, 1162, 1328, 2324, 2656, 4648, 5312, 9296, 18592, 37184, 543617, 1087234, 2174468, 3805319, 4348936, 7610638, 8697872, 15221276, 17395744, 30442552, 34791488, 45120211, 60885104, 90240422, 121770208, 180480844, 243540416, 315841477, 360961688, 631682954, 721923376, 1263365908, 1443846752, 2526731816, 2887693504, 5053463632, 10106927264, 20213854528]

約数ペア:

[(1, 20213854528), (2, 10106927264), (4, 5053463632), (7, 2887693504), (8, 2526731816), (14, 1443846752), (16, 1263365908), (28, 721923376), (32, 631682954), (56, 360961688), (64, 315841477), (83, 243540416), (112, 180480844), (166, 121770208), (224, 90240422), (332, 60885104), (448, 45120211), (581, 34791488), (664, 30442552), (1162, 17395744), (1328, 15221276), (2324, 8697872), (2656, 7610638), (4648, 4348936), (5312, 3805319), (9296, 2174468), (18592, 1087234), (37184, 543617)]