20323828

素因数分解:

$2^2\times 7^2\times {\mathrm{97}}^1\times {\mathrm{1069}}^1$

素因数の和:1184

約数の個数: 36

約数和(自身を含む): 41839140

約数和(自身を除く): 21515312

約数列:

[1, 2, 4, 7, 14, 28, 49, 97, 98, 194, 196, 388, 679, 1069, 1358, 2138, 2716, 4276, 4753, 7483, 9506, 14966, 19012, 29932, 52381, 103693, 104762, 207386, 209524, 414772, 725851, 1451702, 2903404, 5080957, 10161914, 20323828]

約数ペア:

[(1, 20323828), (2, 10161914), (4, 5080957), (7, 2903404), (14, 1451702), (28, 725851), (49, 414772), (97, 209524), (98, 207386), (194, 104762), (196, 103693), (388, 52381), (679, 29932), (1069, 19012), (1358, 14966), (2138, 9506), (2716, 7483), (4276, 4753)]