20871138

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{2803}}^1$

素因数の和:2898

約数の個数: 32

約数和(自身を含む): 44819136

約数和(自身を除く): 23947998

約数列:

[1, 2, 3, 6, 17, 34, 51, 73, 102, 146, 219, 438, 1241, 2482, 2803, 3723, 5606, 7446, 8409, 16818, 47651, 95302, 142953, 204619, 285906, 409238, 613857, 1227714, 3478523, 6957046, 10435569, 20871138]

約数ペア:

[(1, 20871138), (2, 10435569), (3, 6957046), (6, 3478523), (17, 1227714), (34, 613857), (51, 409238), (73, 285906), (102, 204619), (146, 142953), (219, 95302), (438, 47651), (1241, 16818), (2482, 8409), (2803, 7446), (3723, 5606)]