20525410

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{907}}^1$

素因数の和:1018

約数の個数: 32

約数和(自身を含む): 38702592

約数和(自身を除く): 18177182

約数列:

[1, 2, 5, 10, 31, 62, 73, 146, 155, 310, 365, 730, 907, 1814, 2263, 4526, 4535, 9070, 11315, 22630, 28117, 56234, 66211, 132422, 140585, 281170, 331055, 662110, 2052541, 4105082, 10262705, 20525410]

約数ペア:

[(1, 20525410), (2, 10262705), (5, 4105082), (10, 2052541), (31, 662110), (62, 331055), (73, 281170), (146, 140585), (155, 132422), (310, 66211), (365, 56234), (730, 28117), (907, 22630), (1814, 11315), (2263, 9070), (4526, 4535)]