20893070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:617

約数の個数: 48

約数和(自身を含む): 42747264

約数和(自身を除く): 21854194

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 121, 155, 242, 310, 341, 557, 605, 682, 1114, 1210, 1705, 2785, 3410, 3751, 5570, 6127, 7502, 12254, 17267, 18755, 30635, 34534, 37510, 61270, 67397, 86335, 134794, 172670, 189937, 336985, 379874, 673970, 949685, 1899370, 2089307, 4178614, 10446535, 20893070]

約数ペア:

[(1, 20893070), (2, 10446535), (5, 4178614), (10, 2089307), (11, 1899370), (22, 949685), (31, 673970), (55, 379874), (62, 336985), (110, 189937), (121, 172670), (155, 134794), (242, 86335), (310, 67397), (341, 61270), (557, 37510), (605, 34534), (682, 30635), (1114, 18755), (1210, 17267), (1705, 12254), (2785, 7502), (3410, 6127), (3751, 5570)]