920399636

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{264179}}^1$

素因数の和:264263

約数の個数: 24

約数和(自身を含む): 1760495520

約数和(自身を除く): 840095884

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 264179, 528358, 1056716, 3434327, 6868654, 13737308, 17699993, 35399986, 70799972, 230099909, 460199818, 920399636]

約数ペア:

[(1, 920399636), (2, 460199818), (4, 230099909), (13, 70799972), (26, 35399986), (52, 17699993), (67, 13737308), (134, 6868654), (268, 3434327), (871, 1056716), (1742, 528358), (3484, 264179)]