20914240

素因数分解:

$2^6\times 5^1\times {\mathrm{65357}}^1$

素因数の和:65374

約数の個数: 28

約数和(自身を含む): 49802796

約数和(自身を除く): 28888556

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 65357, 130714, 261428, 326785, 522856, 653570, 1045712, 1307140, 2091424, 2614280, 4182848, 5228560, 10457120, 20914240]

約数ペア:

[(1, 20914240), (2, 10457120), (4, 5228560), (5, 4182848), (8, 2614280), (10, 2091424), (16, 1307140), (20, 1045712), (32, 653570), (40, 522856), (64, 326785), (80, 261428), (160, 130714), (320, 65357)]