20848358

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{547}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 35510400

約数和(自身を除く): 14662042

約数列:

[1, 2, 17, 19, 34, 38, 59, 118, 323, 547, 646, 1003, 1094, 1121, 2006, 2242, 9299, 10393, 18598, 19057, 20786, 32273, 38114, 64546, 176681, 353362, 548641, 613187, 1097282, 1226374, 10424179, 20848358]

約数ペア:

[(1, 20848358), (2, 10424179), (17, 1226374), (19, 1097282), (34, 613187), (38, 548641), (59, 353362), (118, 176681), (323, 64546), (547, 38114), (646, 32273), (1003, 20786), (1094, 19057), (1121, 18598), (2006, 10393), (2242, 9299)]