20189363056

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{40704361}}^1$

素因数の和:40704400

約数の個数: 20

約数和(自身を含む): 40378727104

約数和(自身を除く): 20189364048

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 40704361, 81408722, 162817444, 325634888, 651269776, 1261835191, 2523670382, 5047340764, 10094681528, 20189363056]

約数ペア:

[(1, 20189363056), (2, 10094681528), (4, 5047340764), (8, 2523670382), (16, 1261835191), (31, 651269776), (62, 325634888), (124, 162817444), (248, 81408722), (496, 40704361)]