20717696

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{9521}}^1$

素因数の和:9552

約数の個数: 32

約数和(自身を含む): 43705980

約数和(自身を除く): 22988284

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 9521, 19042, 38084, 76168, 152336, 161857, 304672, 323714, 609344, 647428, 1218688, 1294856, 2589712, 5179424, 10358848, 20717696]

約数ペア:

[(1, 20717696), (2, 10358848), (4, 5179424), (8, 2589712), (16, 1294856), (17, 1218688), (32, 647428), (34, 609344), (64, 323714), (68, 304672), (128, 161857), (136, 152336), (272, 76168), (544, 38084), (1088, 19042), (2176, 9521)]