20219883008

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{3037843}}^1$

素因数の和:3037874

約数の個数: 40

約数和(自身を含む): 43508001768

約数和(自身を除く): 23288118760

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3328, 6656, 3037843, 6075686, 12151372, 24302744, 39491959, 48605488, 78983918, 97210976, 157967836, 194421952, 315935672, 388843904, 631871344, 777687808, 1263742688, 1555375616, 2527485376, 5054970752, 10109941504, 20219883008]

約数ペア:

[(1, 20219883008), (2, 10109941504), (4, 5054970752), (8, 2527485376), (13, 1555375616), (16, 1263742688), (26, 777687808), (32, 631871344), (52, 388843904), (64, 315935672), (104, 194421952), (128, 157967836), (208, 97210976), (256, 78983918), (416, 48605488), (512, 39491959), (832, 24302744), (1664, 12151372), (3328, 6075686), (6656, 3037843)]