20836844

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{739}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 44755200

約数和(自身を除く): 23918356

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 53, 76, 106, 133, 212, 266, 371, 532, 739, 742, 1007, 1478, 1484, 2014, 2956, 4028, 5173, 7049, 10346, 14041, 14098, 20692, 28082, 28196, 39167, 56164, 78334, 98287, 156668, 196574, 274169, 393148, 548338, 744173, 1096676, 1488346, 2976692, 5209211, 10418422, 20836844]

約数ペア:

[(1, 20836844), (2, 10418422), (4, 5209211), (7, 2976692), (14, 1488346), (19, 1096676), (28, 744173), (38, 548338), (53, 393148), (76, 274169), (106, 196574), (133, 156668), (212, 98287), (266, 78334), (371, 56164), (532, 39167), (739, 28196), (742, 28082), (1007, 20692), (1478, 14098), (1484, 14041), (2014, 10346), (2956, 7049), (4028, 5173)]