20084882020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{201211}}^1$

素因数の和:201281

約数の個数: 96

約数和(自身を含む): 51922354176

約数和(自身を除く): 31837472156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 31, 35, 46, 62, 70, 92, 115, 124, 140, 155, 161, 217, 230, 310, 322, 434, 460, 620, 644, 713, 805, 868, 1085, 1426, 1610, 2170, 2852, 3220, 3565, 4340, 4991, 7130, 9982, 14260, 19964, 24955, 49910, 99820, 201211, 402422, 804844, 1006055, 1408477, 2012110, 2816954, 4024220, 4627853, 5633908, 6237541, 7042385, 9255706, 12475082, 14084770, 18511412, 23139265, 24950164, 28169540, 31187705, 32394971, 43662787, 46278530, 62375410, 64789942, 87325574, 92557060, 124750820, 129579884, 143463443, 161974855, 174651148, 218313935, 286926886, 323949710, 436627870, 573853772, 647899420, 717317215, 873255740, 1004244101, 1434634430, 2008488202, 2869268860, 4016976404, 5021220505, 10042441010, 20084882020]

約数ペア:

[(1, 20084882020), (2, 10042441010), (4, 5021220505), (5, 4016976404), (7, 2869268860), (10, 2008488202), (14, 1434634430), (20, 1004244101), (23, 873255740), (28, 717317215), (31, 647899420), (35, 573853772), (46, 436627870), (62, 323949710), (70, 286926886), (92, 218313935), (115, 174651148), (124, 161974855), (140, 143463443), (155, 129579884), (161, 124750820), (217, 92557060), (230, 87325574), (310, 64789942), (322, 62375410), (434, 46278530), (460, 43662787), (620, 32394971), (644, 31187705), (713, 28169540), (805, 24950164), (868, 23139265), (1085, 18511412), (1426, 14084770), (1610, 12475082), (2170, 9255706), (2852, 7042385), (3220, 6237541), (3565, 5633908), (4340, 4627853), (4991, 4024220), (7130, 2816954), (9982, 2012110), (14260, 1408477), (19964, 1006055), (24955, 804844), (49910, 402422), (99820, 201211)]