20173155100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1252991}}^1$

素因数の和:1253035

約数の個数: 72

約数和(自身を含む): 52204658688

約数和(自身を除く): 32031503588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 115, 140, 161, 175, 230, 322, 350, 460, 575, 644, 700, 805, 1150, 1610, 2300, 3220, 4025, 8050, 16100, 1252991, 2505982, 5011964, 6264955, 8770937, 12529910, 17541874, 25059820, 28818793, 31324775, 35083748, 43854685, 57637586, 62649550, 87709370, 115275172, 125299100, 144093965, 175418740, 201731551, 219273425, 288187930, 403463102, 438546850, 576375860, 720469825, 806926204, 877093700, 1008657755, 1440939650, 2017315510, 2881879300, 4034631020, 5043288775, 10086577550, 20173155100]

約数ペア:

[(1, 20173155100), (2, 10086577550), (4, 5043288775), (5, 4034631020), (7, 2881879300), (10, 2017315510), (14, 1440939650), (20, 1008657755), (23, 877093700), (25, 806926204), (28, 720469825), (35, 576375860), (46, 438546850), (50, 403463102), (70, 288187930), (92, 219273425), (100, 201731551), (115, 175418740), (140, 144093965), (161, 125299100), (175, 115275172), (230, 87709370), (322, 62649550), (350, 57637586), (460, 43854685), (575, 35083748), (644, 31324775), (700, 28818793), (805, 25059820), (1150, 17541874), (1610, 12529910), (2300, 8770937), (3220, 6264955), (4025, 5011964), (8050, 2505982), (16100, 1252991)]