20658025892

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{94819}}^1$

素因数の和:95112

約数の個数: 48

約数和(自身を含む): 42819194880

約数和(自身を除く): 22161168988

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 251, 434, 502, 868, 1004, 1757, 3514, 7028, 7781, 15562, 31124, 54467, 94819, 108934, 189638, 217868, 379276, 663733, 1327466, 2654932, 2939389, 5878778, 11757556, 20575723, 23799569, 41151446, 47599138, 82302892, 95198276, 166596983, 333193966, 666387932, 737786639, 1475573278, 2951146556, 5164506473, 10329012946, 20658025892]

約数ペア:

[(1, 20658025892), (2, 10329012946), (4, 5164506473), (7, 2951146556), (14, 1475573278), (28, 737786639), (31, 666387932), (62, 333193966), (124, 166596983), (217, 95198276), (251, 82302892), (434, 47599138), (502, 41151446), (868, 23799569), (1004, 20575723), (1757, 11757556), (3514, 5878778), (7028, 2939389), (7781, 2654932), (15562, 1327466), (31124, 663733), (54467, 379276), (94819, 217868), (108934, 189638)]