20808548672

素因数分解:

$2^6\times {\mathrm{1489}}^1\times {\mathrm{218357}}^1$

素因数の和:219858

約数の個数: 28

約数和(自身を含む): 41319884340

約数和(自身を除く): 20511335668

約数列:

[1, 2, 4, 8, 16, 32, 64, 1489, 2978, 5956, 11912, 23824, 47648, 95296, 218357, 436714, 873428, 1746856, 3493712, 6987424, 13974848, 325133573, 650267146, 1300534292, 2601068584, 5202137168, 10404274336, 20808548672]

約数ペア:

[(1, 20808548672), (2, 10404274336), (4, 5202137168), (8, 2601068584), (16, 1300534292), (32, 650267146), (64, 325133573), (1489, 13974848), (2978, 6987424), (5956, 3493712), (11912, 1746856), (23824, 873428), (47648, 436714), (95296, 218357)]