20212448979

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{156217}}^1$

素因数の和:156339

約数の個数: 32

約数和(自身を含む): 29693917440

約数和(自身を除く): 9481468461

約数列:

[1, 3, 17, 43, 51, 59, 129, 177, 731, 1003, 2193, 2537, 3009, 7611, 43129, 129387, 156217, 468651, 2655689, 6717331, 7967067, 9216803, 20151993, 27650409, 114194627, 156685651, 342583881, 396322529, 470056953, 1188967587, 6737482993, 20212448979]

約数ペア:

[(1, 20212448979), (3, 6737482993), (17, 1188967587), (43, 470056953), (51, 396322529), (59, 342583881), (129, 156685651), (177, 114194627), (731, 27650409), (1003, 20151993), (2193, 9216803), (2537, 7967067), (3009, 6717331), (7611, 2655689), (43129, 468651), (129387, 156217)]