20600790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{373}}^1$

素因数の和:653

約数の個数: 64

約数和(自身を含む): 56871936

約数和(自身を除く): 36271146

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 263, 373, 526, 746, 789, 1119, 1315, 1578, 1841, 1865, 2238, 2611, 2630, 3682, 3730, 3945, 5222, 5523, 5595, 7833, 7890, 9205, 11046, 11190, 13055, 15666, 18410, 26110, 27615, 39165, 55230, 78330, 98099, 196198, 294297, 490495, 588594, 686693, 980990, 1373386, 1471485, 2060079, 2942970, 3433465, 4120158, 6866930, 10300395, 20600790]

約数ペア:

[(1, 20600790), (2, 10300395), (3, 6866930), (5, 4120158), (6, 3433465), (7, 2942970), (10, 2060079), (14, 1471485), (15, 1373386), (21, 980990), (30, 686693), (35, 588594), (42, 490495), (70, 294297), (105, 196198), (210, 98099), (263, 78330), (373, 55230), (526, 39165), (746, 27615), (789, 26110), (1119, 18410), (1315, 15666), (1578, 13055), (1841, 11190), (1865, 11046), (2238, 9205), (2611, 7890), (2630, 7833), (3682, 5595), (3730, 5523), (3945, 5222)]