20901883984

素因数分解:

$2^4\times {\mathrm{293}}^1\times {\mathrm{1871}}^1\times {\mathrm{2383}}^1$

素因数の和:4555

約数の個数: 40

約数和(自身を含む): 40674396672

約数和(自身を除く): 19772512688

約数列:

[1, 2, 4, 8, 16, 293, 586, 1172, 1871, 2344, 2383, 3742, 4688, 4766, 7484, 9532, 14968, 19064, 29936, 38128, 548203, 698219, 1096406, 1396438, 2192812, 2792876, 4385624, 4458593, 5585752, 8771248, 8917186, 11171504, 17834372, 35668744, 71337488, 1306367749, 2612735498, 5225470996, 10450941992, 20901883984]

約数ペア:

[(1, 20901883984), (2, 10450941992), (4, 5225470996), (8, 2612735498), (16, 1306367749), (293, 71337488), (586, 35668744), (1172, 17834372), (1871, 11171504), (2344, 8917186), (2383, 8771248), (3742, 5585752), (4688, 4458593), (4766, 4385624), (7484, 2792876), (9532, 2192812), (14968, 1396438), (19064, 1096406), (29936, 698219), (38128, 548203)]