20161576528

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{189517}}^1$

素因数の和:189695

約数の個数: 40

約数和(自身を含む): 40067895560

約数和(自身を除く): 19906319032

約数列:

[1, 2, 4, 8, 16, 61, 109, 122, 218, 244, 436, 488, 872, 976, 1744, 6649, 13298, 26596, 53192, 106384, 189517, 379034, 758068, 1516136, 3032272, 11560537, 20657353, 23121074, 41314706, 46242148, 82629412, 92484296, 165258824, 184968592, 330517648, 1260098533, 2520197066, 5040394132, 10080788264, 20161576528]

約数ペア:

[(1, 20161576528), (2, 10080788264), (4, 5040394132), (8, 2520197066), (16, 1260098533), (61, 330517648), (109, 184968592), (122, 165258824), (218, 92484296), (244, 82629412), (436, 46242148), (488, 41314706), (872, 23121074), (976, 20657353), (1744, 11560537), (6649, 3032272), (13298, 1516136), (26596, 758068), (53192, 379034), (106384, 189517)]