20438388

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{19577}}^1$

素因数の和:19616

約数の個数: 36

約数和(自身を含む): 53447940

約数和(自身を除く): 33009552

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 19577, 39154, 58731, 78308, 117462, 176193, 234924, 352386, 567733, 704772, 1135466, 1703199, 2270932, 3406398, 5109597, 6812796, 10219194, 20438388]

約数ペア:

[(1, 20438388), (2, 10219194), (3, 6812796), (4, 5109597), (6, 3406398), (9, 2270932), (12, 1703199), (18, 1135466), (29, 704772), (36, 567733), (58, 352386), (87, 234924), (116, 176193), (174, 117462), (261, 78308), (348, 58731), (522, 39154), (1044, 19577)]