20448712

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4639}}^1$

素因数の和:4693

約数の個数: 32

約数和(自身を含む): 41760000

約数和(自身を除く): 21311288

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 76, 116, 152, 232, 551, 1102, 2204, 4408, 4639, 9278, 18556, 37112, 88141, 134531, 176282, 269062, 352564, 538124, 705128, 1076248, 2556089, 5112178, 10224356, 20448712]

約数ペア:

[(1, 20448712), (2, 10224356), (4, 5112178), (8, 2556089), (19, 1076248), (29, 705128), (38, 538124), (58, 352564), (76, 269062), (116, 176282), (152, 134531), (232, 88141), (551, 37112), (1102, 18556), (2204, 9278), (4408, 4639)]