20825804536

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{1109}}^1\times {\mathrm{14401}}^1$

素因数の和:15679

約数の個数: 32

約数和(自身を含む): 39326101200

約数和(自身を除く): 18500296664

約数列:

[1, 2, 4, 8, 163, 326, 652, 1109, 1304, 2218, 4436, 8872, 14401, 28802, 57604, 115208, 180767, 361534, 723068, 1446136, 2347363, 4694726, 9389452, 15970709, 18778904, 31941418, 63882836, 127765672, 2603225567, 5206451134, 10412902268, 20825804536]

約数ペア:

[(1, 20825804536), (2, 10412902268), (4, 5206451134), (8, 2603225567), (163, 127765672), (326, 63882836), (652, 31941418), (1109, 18778904), (1304, 15970709), (2218, 9389452), (4436, 4694726), (8872, 2347363), (14401, 1446136), (28802, 723068), (57604, 361534), (115208, 180767)]