20877332

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{3673}}^1$

素因数の和:3720

約数の個数: 36

約数和(自身を含む): 43977780

約数和(自身を除く): 23100448

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 406, 812, 1421, 2842, 3673, 5684, 7346, 14692, 25711, 51422, 102844, 106517, 179977, 213034, 359954, 426068, 719908, 745619, 1491238, 2982476, 5219333, 10438666, 20877332]

約数ペア:

[(1, 20877332), (2, 10438666), (4, 5219333), (7, 2982476), (14, 1491238), (28, 745619), (29, 719908), (49, 426068), (58, 359954), (98, 213034), (116, 179977), (196, 106517), (203, 102844), (406, 51422), (812, 25711), (1421, 14692), (2842, 7346), (3673, 5684)]