20956126

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{8231}}^1$

素因数の和:8319

約数の個数: 16

約数和(自身を含む): 33586560

約数和(自身を除く): 12630434

約数列:

[1, 2, 19, 38, 67, 134, 1273, 2546, 8231, 16462, 156389, 312778, 551477, 1102954, 10478063, 20956126]

約数ペア:

[(1, 20956126), (2, 10478063), (19, 1102954), (38, 551477), (67, 312778), (134, 156389), (1273, 16462), (2546, 8231)]