20228480

素因数分解:

$2^7\times 5^1\times {\mathrm{31607}}^1$

素因数の和:31626

約数の個数: 32

約数和(自身を含む): 48360240

約数和(自身を除く): 28131760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 31607, 63214, 126428, 158035, 252856, 316070, 505712, 632140, 1011424, 1264280, 2022848, 2528560, 4045696, 5057120, 10114240, 20228480]

約数ペア:

[(1, 20228480), (2, 10114240), (4, 5057120), (5, 4045696), (8, 2528560), (10, 2022848), (16, 1264280), (20, 1011424), (32, 632140), (40, 505712), (64, 316070), (80, 252856), (128, 158035), (160, 126428), (320, 63214), (640, 31607)]