20189120

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9013}}^1$

素因数の和:9037

約数の個数: 56

約数和(自身を含む): 54949344

約数和(自身を除く): 34760224

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 9013, 18026, 36052, 45065, 63091, 72104, 90130, 126182, 144208, 180260, 252364, 288416, 315455, 360520, 504728, 576832, 630910, 721040, 1009456, 1261820, 1442080, 2018912, 2523640, 2884160, 4037824, 5047280, 10094560, 20189120]

約数ペア:

[(1, 20189120), (2, 10094560), (4, 5047280), (5, 4037824), (7, 2884160), (8, 2523640), (10, 2018912), (14, 1442080), (16, 1261820), (20, 1009456), (28, 721040), (32, 630910), (35, 576832), (40, 504728), (56, 360520), (64, 315455), (70, 288416), (80, 252364), (112, 180260), (140, 144208), (160, 126182), (224, 90130), (280, 72104), (320, 63091), (448, 45065), (560, 36052), (1120, 18026), (2240, 9013)]