20154722810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{517717}}^1$

素因数の和:517970

約数の個数: 32

約数和(自身を含む): 38580345360

約数和(自身を除く): 18425622550

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 229, 458, 1145, 2290, 3893, 7786, 19465, 38930, 517717, 1035434, 2588585, 5177170, 8801189, 17602378, 44005945, 88011890, 118557193, 237114386, 592785965, 1185571930, 2015472281, 4030944562, 10077361405, 20154722810]

約数ペア:

[(1, 20154722810), (2, 10077361405), (5, 4030944562), (10, 2015472281), (17, 1185571930), (34, 592785965), (85, 237114386), (170, 118557193), (229, 88011890), (458, 44005945), (1145, 17602378), (2290, 8801189), (3893, 5177170), (7786, 2588585), (19465, 1035434), (38930, 517717)]