20527316

素因数分解:

$2^2\times {\mathrm{23}}^2\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:248

約数の個数: 36

約数和(自身を含む): 38322900

約数和(自身を除く): 17795584

約数列:

[1, 2, 4, 23, 46, 89, 92, 109, 178, 218, 356, 436, 529, 1058, 2047, 2116, 2507, 4094, 5014, 8188, 9701, 10028, 19402, 38804, 47081, 57661, 94162, 115322, 188324, 223123, 230644, 446246, 892492, 5131829, 10263658, 20527316]

約数ペア:

[(1, 20527316), (2, 10263658), (4, 5131829), (23, 892492), (46, 446246), (89, 230644), (92, 223123), (109, 188324), (178, 115322), (218, 94162), (356, 57661), (436, 47081), (529, 38804), (1058, 19402), (2047, 10028), (2116, 9701), (2507, 8188), (4094, 5014)]