20940964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{677}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 43283520

約数和(自身を除く): 22342556

約数列:

[1, 2, 4, 11, 19, 22, 37, 38, 44, 74, 76, 148, 209, 407, 418, 677, 703, 814, 836, 1354, 1406, 1628, 2708, 2812, 7447, 7733, 12863, 14894, 15466, 25049, 25726, 29788, 30932, 50098, 51452, 100196, 141493, 275539, 282986, 475931, 551078, 565972, 951862, 1102156, 1903724, 5235241, 10470482, 20940964]

約数ペア:

[(1, 20940964), (2, 10470482), (4, 5235241), (11, 1903724), (19, 1102156), (22, 951862), (37, 565972), (38, 551078), (44, 475931), (74, 282986), (76, 275539), (148, 141493), (209, 100196), (407, 51452), (418, 50098), (677, 30932), (703, 29788), (814, 25726), (836, 25049), (1354, 15466), (1406, 14894), (1628, 12863), (2708, 7733), (2812, 7447)]