20165310080

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1086493}}^1$

素因数の和:1086541

約数の個数: 64

約数和(自身を含む): 49870074600

約数和(自身を除く): 29704764520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 290, 320, 464, 580, 640, 928, 1160, 1856, 2320, 3712, 4640, 9280, 18560, 1086493, 2172986, 4345972, 5432465, 8691944, 10864930, 17383888, 21729860, 31508297, 34767776, 43459720, 63016594, 69535552, 86919440, 126033188, 139071104, 157541485, 173838880, 252066376, 315082970, 347677760, 504132752, 630165940, 695355520, 1008265504, 1260331880, 2016531008, 2520663760, 4033062016, 5041327520, 10082655040, 20165310080]

約数ペア:

[(1, 20165310080), (2, 10082655040), (4, 5041327520), (5, 4033062016), (8, 2520663760), (10, 2016531008), (16, 1260331880), (20, 1008265504), (29, 695355520), (32, 630165940), (40, 504132752), (58, 347677760), (64, 315082970), (80, 252066376), (116, 173838880), (128, 157541485), (145, 139071104), (160, 126033188), (232, 86919440), (290, 69535552), (320, 63016594), (464, 43459720), (580, 34767776), (640, 31508297), (928, 21729860), (1160, 17383888), (1856, 10864930), (2320, 8691944), (3712, 5432465), (4640, 4345972), (9280, 2172986), (18560, 1086493)]