20377952

素因数分解:

$2^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3137}}^1$

素因数の和:3183

約数の個数: 48

約数和(自身を含む): 47446560

約数和(自身を除く): 27068608

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 112, 116, 203, 224, 232, 406, 464, 812, 928, 1624, 3137, 3248, 6274, 6496, 12548, 21959, 25096, 43918, 50192, 87836, 90973, 100384, 175672, 181946, 351344, 363892, 636811, 702688, 727784, 1273622, 1455568, 2547244, 2911136, 5094488, 10188976, 20377952]

約数ペア:

[(1, 20377952), (2, 10188976), (4, 5094488), (7, 2911136), (8, 2547244), (14, 1455568), (16, 1273622), (28, 727784), (29, 702688), (32, 636811), (56, 363892), (58, 351344), (112, 181946), (116, 175672), (203, 100384), (224, 90973), (232, 87836), (406, 50192), (464, 43918), (812, 25096), (928, 21959), (1624, 12548), (3137, 6496), (3248, 6274)]