20558568

素因数分解:

$2^3\times 3^1\times {\mathrm{97}}^1\times {\mathrm{8831}}^1$

素因数の和:8937

約数の個数: 32

約数和(自身を含む): 51932160

約数和(自身を除く): 31373592

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 97, 194, 291, 388, 582, 776, 1164, 2328, 8831, 17662, 26493, 35324, 52986, 70648, 105972, 211944, 856607, 1713214, 2569821, 3426428, 5139642, 6852856, 10279284, 20558568]

約数ペア:

[(1, 20558568), (2, 10279284), (3, 6852856), (4, 5139642), (6, 3426428), (8, 2569821), (12, 1713214), (24, 856607), (97, 211944), (194, 105972), (291, 70648), (388, 52986), (582, 35324), (776, 26493), (1164, 17662), (2328, 8831)]