20687460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{344791}}^1$

素因数の和:344803

約数の個数: 24

約数和(自身を含む): 57925056

約数和(自身を除く): 37237596

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 344791, 689582, 1034373, 1379164, 1723955, 2068746, 3447910, 4137492, 5171865, 6895820, 10343730, 20687460]

約数ペア:

[(1, 20687460), (2, 10343730), (3, 6895820), (4, 5171865), (5, 4137492), (6, 3447910), (10, 2068746), (12, 1723955), (15, 1379164), (20, 1034373), (30, 689582), (60, 344791)]