20414492

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:882

約数の個数: 48

約数和(自身を含む): 43653120

約数和(自身を除く): 23238628

約数列:

[1, 2, 4, 7, 14, 28, 29, 31, 58, 62, 116, 124, 203, 217, 406, 434, 811, 812, 868, 899, 1622, 1798, 3244, 3596, 5677, 6293, 11354, 12586, 22708, 23519, 25141, 25172, 47038, 50282, 94076, 100564, 164633, 175987, 329266, 351974, 658532, 703948, 729089, 1458178, 2916356, 5103623, 10207246, 20414492]

約数ペア:

[(1, 20414492), (2, 10207246), (4, 5103623), (7, 2916356), (14, 1458178), (28, 729089), (29, 703948), (31, 658532), (58, 351974), (62, 329266), (116, 175987), (124, 164633), (203, 100564), (217, 94076), (406, 50282), (434, 47038), (811, 25172), (812, 25141), (868, 23519), (899, 22708), (1622, 12586), (1798, 11354), (3244, 6293), (3596, 5677)]