20958392

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28789}}^1$

素因数の和:28815

約数の個数: 32

約数和(自身を含む): 48367200

約数和(自身を除く): 27408808

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 28789, 57578, 115156, 201523, 230312, 374257, 403046, 748514, 806092, 1497028, 1612184, 2619799, 2994056, 5239598, 10479196, 20958392]

約数ペア:

[(1, 20958392), (2, 10479196), (4, 5239598), (7, 2994056), (8, 2619799), (13, 1612184), (14, 1497028), (26, 806092), (28, 748514), (52, 403046), (56, 374257), (91, 230312), (104, 201523), (182, 115156), (364, 57578), (728, 28789)]