20406910144

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{277993}}^1$

素因数の和:278073

約数の個数: 56

約数和(自身を含む): 42931169408

約数和(自身を除く): 22524259264

約数列:

[1, 2, 4, 8, 16, 31, 32, 37, 62, 64, 74, 124, 148, 248, 296, 496, 592, 992, 1147, 1184, 1984, 2294, 2368, 4588, 9176, 18352, 36704, 73408, 277993, 555986, 1111972, 2223944, 4447888, 8617783, 8895776, 10285741, 17235566, 17791552, 20571482, 34471132, 41142964, 68942264, 82285928, 137884528, 164571856, 275769056, 318857971, 329143712, 551538112, 637715942, 658287424, 1275431884, 2550863768, 5101727536, 10203455072, 20406910144]

約数ペア:

[(1, 20406910144), (2, 10203455072), (4, 5101727536), (8, 2550863768), (16, 1275431884), (31, 658287424), (32, 637715942), (37, 551538112), (62, 329143712), (64, 318857971), (74, 275769056), (124, 164571856), (148, 137884528), (248, 82285928), (296, 68942264), (496, 41142964), (592, 34471132), (992, 20571482), (1147, 17791552), (1184, 17235566), (1984, 10285741), (2294, 8895776), (2368, 8617783), (4588, 4447888), (9176, 2223944), (18352, 1111972), (36704, 555986), (73408, 277993)]