20982752

素因数分解:

$2^5\times 7^1\times {\mathrm{283}}^1\times {\mathrm{331}}^1$

素因数の和:631

約数の個数: 48

約数和(自身を含む): 47521152

約数和(自身を除く): 26538400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 283, 331, 566, 662, 1132, 1324, 1981, 2264, 2317, 2648, 3962, 4528, 4634, 5296, 7924, 9056, 9268, 10592, 15848, 18536, 31696, 37072, 63392, 74144, 93673, 187346, 374692, 655711, 749384, 1311422, 1498768, 2622844, 2997536, 5245688, 10491376, 20982752]

約数ペア:

[(1, 20982752), (2, 10491376), (4, 5245688), (7, 2997536), (8, 2622844), (14, 1498768), (16, 1311422), (28, 749384), (32, 655711), (56, 374692), (112, 187346), (224, 93673), (283, 74144), (331, 63392), (566, 37072), (662, 31696), (1132, 18536), (1324, 15848), (1981, 10592), (2264, 9268), (2317, 9056), (2648, 7924), (3962, 5296), (4528, 4634)]