20185001305

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1\times {\mathrm{877}}^1$

素因数の和:1346

約数の個数: 64

約数和(自身を含む): 29127909888

約数和(自身を除く): 8942908583

約数列:

[1, 5, 7, 35, 41, 43, 205, 215, 287, 301, 373, 877, 1435, 1505, 1763, 1865, 2611, 4385, 6139, 8815, 12341, 13055, 15293, 16039, 30695, 35957, 37711, 61705, 76465, 80195, 107051, 112273, 179785, 188555, 251699, 263977, 327121, 535255, 561365, 657599, 1258495, 1319885, 1546151, 1635605, 2289847, 3287995, 4603193, 7730755, 10823057, 11449235, 13411961, 14066203, 23015965, 54115285, 67059805, 70331015, 93883727, 98463421, 469418635, 492317105, 576714323, 2883571615, 4037000261, 20185001305]

約数ペア:

[(1, 20185001305), (5, 4037000261), (7, 2883571615), (35, 576714323), (41, 492317105), (43, 469418635), (205, 98463421), (215, 93883727), (287, 70331015), (301, 67059805), (373, 54115285), (877, 23015965), (1435, 14066203), (1505, 13411961), (1763, 11449235), (1865, 10823057), (2611, 7730755), (4385, 4603193), (6139, 3287995), (8815, 2289847), (12341, 1635605), (13055, 1546151), (15293, 1319885), (16039, 1258495), (30695, 657599), (35957, 561365), (37711, 535255), (61705, 327121), (76465, 263977), (80195, 251699), (107051, 188555), (112273, 179785)]