20078295554

素因数分解:

$2^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1\times {\mathrm{641}}^1\times {\mathrm{743}}^1$

素因数の和:1690

約数の個数: 32

約数和(自身を含む): 30642074496

約数和(自身を除く): 10563778942

約数列:

[1, 2, 107, 197, 214, 394, 641, 743, 1282, 1486, 21079, 42158, 68587, 79501, 126277, 137174, 146371, 159002, 252554, 292742, 476263, 952526, 13511639, 15661697, 27023278, 31323394, 50960141, 93823811, 101920282, 187647622, 10039147777, 20078295554]

約数ペア:

[(1, 20078295554), (2, 10039147777), (107, 187647622), (197, 101920282), (214, 93823811), (394, 50960141), (641, 31323394), (743, 27023278), (1282, 15661697), (1486, 13511639), (21079, 952526), (42158, 476263), (68587, 292742), (79501, 252554), (126277, 159002), (137174, 146371)]