20259148

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{7951}}^1$

素因数の和:7982

約数の個数: 36

約数和(自身を含む): 44419872

約数和(自身を除く): 24160724

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 7951, 15902, 31804, 55657, 103363, 111314, 206726, 222628, 389599, 413452, 723541, 779198, 1447082, 1558396, 2894164, 5064787, 10129574, 20259148]

約数ペア:

[(1, 20259148), (2, 10129574), (4, 5064787), (7, 2894164), (13, 1558396), (14, 1447082), (26, 779198), (28, 723541), (49, 413452), (52, 389599), (91, 222628), (98, 206726), (182, 111314), (196, 103363), (364, 55657), (637, 31804), (1274, 15902), (2548, 7951)]