20808515552

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{839}}^1\times {\mathrm{70459}}^1$

素因数の和:71319

約数の個数: 48

約数和(自身を含む): 44744918400

約数和(自身を除く): 23936402848

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 352, 839, 1678, 3356, 6712, 9229, 13424, 18458, 26848, 36916, 70459, 73832, 140918, 147664, 281836, 295328, 563672, 775049, 1127344, 1550098, 2254688, 3100196, 6200392, 12400784, 24801568, 59115101, 118230202, 236460404, 472920808, 650266111, 945841616, 1300532222, 1891683232, 2601064444, 5202128888, 10404257776, 20808515552]

約数ペア:

[(1, 20808515552), (2, 10404257776), (4, 5202128888), (8, 2601064444), (11, 1891683232), (16, 1300532222), (22, 945841616), (32, 650266111), (44, 472920808), (88, 236460404), (176, 118230202), (352, 59115101), (839, 24801568), (1678, 12400784), (3356, 6200392), (6712, 3100196), (9229, 2254688), (13424, 1550098), (18458, 1127344), (26848, 775049), (36916, 563672), (70459, 295328), (73832, 281836), (140918, 147664)]