20210773616

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1087}}^1\times {\mathrm{1187}}^1$

素因数の和:2382

約数の個数: 80

約数和(自身を含む): 43274373120

約数和(自身を除く): 23063599504

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 89, 176, 178, 356, 712, 979, 1087, 1187, 1424, 1958, 2174, 2374, 3916, 4348, 4748, 7832, 8696, 9496, 11957, 13057, 15664, 17392, 18992, 23914, 26114, 47828, 52228, 95656, 96743, 104456, 105643, 191312, 193486, 208912, 211286, 386972, 422572, 773944, 845144, 1064173, 1162073, 1290269, 1547888, 1690288, 2128346, 2324146, 2580538, 4256692, 4648292, 5161076, 8513384, 9296584, 10322152, 14192959, 17026768, 18593168, 20644304, 28385918, 56771836, 113543672, 114833941, 227087344, 229667882, 459335764, 918671528, 1263173351, 1837343056, 2526346702, 5052693404, 10105386808, 20210773616]

約数ペア:

[(1, 20210773616), (2, 10105386808), (4, 5052693404), (8, 2526346702), (11, 1837343056), (16, 1263173351), (22, 918671528), (44, 459335764), (88, 229667882), (89, 227087344), (176, 114833941), (178, 113543672), (356, 56771836), (712, 28385918), (979, 20644304), (1087, 18593168), (1187, 17026768), (1424, 14192959), (1958, 10322152), (2174, 9296584), (2374, 8513384), (3916, 5161076), (4348, 4648292), (4748, 4256692), (7832, 2580538), (8696, 2324146), (9496, 2128346), (11957, 1690288), (13057, 1547888), (15664, 1290269), (17392, 1162073), (18992, 1064173), (23914, 845144), (26114, 773944), (47828, 422572), (52228, 386972), (95656, 211286), (96743, 208912), (104456, 193486), (105643, 191312)]