20936320

素因数分解:

$2^7\times 5^1\times {\mathrm{32713}}^1$

素因数の和:32732

約数の個数: 32

約数和(自身を含む): 50052420

約数和(自身を除く): 29116100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 32713, 65426, 130852, 163565, 261704, 327130, 523408, 654260, 1046816, 1308520, 2093632, 2617040, 4187264, 5234080, 10468160, 20936320]

約数ペア:

[(1, 20936320), (2, 10468160), (4, 5234080), (5, 4187264), (8, 2617040), (10, 2093632), (16, 1308520), (20, 1046816), (32, 654260), (40, 523408), (64, 327130), (80, 261704), (128, 163565), (160, 130852), (320, 65426), (640, 32713)]