20005155937

素因数分解:

${\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{397}}^1\times {\mathrm{449}}^1$

素因数の和:1045

約数の個数: 32

約数和(自身を含む): 22115268000

約数和(自身を除く): 2110112063

約数列:

[1, 13, 89, 97, 397, 449, 1157, 1261, 5161, 5837, 8633, 35333, 38509, 39961, 43553, 112229, 178253, 459329, 500617, 519493, 566189, 2317289, 3427301, 3876217, 15864517, 17290541, 44554913, 50390821, 206238721, 224777033, 1538858149, 20005155937]

約数ペア:

[(1, 20005155937), (13, 1538858149), (89, 224777033), (97, 206238721), (397, 50390821), (449, 44554913), (1157, 17290541), (1261, 15864517), (5161, 3876217), (5837, 3427301), (8633, 2317289), (35333, 566189), (38509, 519493), (39961, 500617), (43553, 459329), (112229, 178253)]