20034512

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1117}}^1$

素因数の和:1203

約数の個数: 40

約数和(自身を含む): 41589600

約数和(自身を除く): 21555088

約数列:

[1, 2, 4, 8, 16, 19, 38, 59, 76, 118, 152, 236, 304, 472, 944, 1117, 1121, 2234, 2242, 4468, 4484, 8936, 8968, 17872, 17936, 21223, 42446, 65903, 84892, 131806, 169784, 263612, 339568, 527224, 1054448, 1252157, 2504314, 5008628, 10017256, 20034512]

約数ペア:

[(1, 20034512), (2, 10017256), (4, 5008628), (8, 2504314), (16, 1252157), (19, 1054448), (38, 527224), (59, 339568), (76, 263612), (118, 169784), (152, 131806), (236, 84892), (304, 65903), (472, 42446), (944, 21223), (1117, 17936), (1121, 17872), (2234, 8968), (2242, 8936), (4468, 4484)]