20293120

素因数分解:

$2^9\times 5^1\times {\mathrm{7927}}^1$

素因数の和:7950

約数の個数: 40

約数和(自身を含む): 48662064

約数和(自身を除く): 28368944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 7927, 15854, 31708, 39635, 63416, 79270, 126832, 158540, 253664, 317080, 507328, 634160, 1014656, 1268320, 2029312, 2536640, 4058624, 5073280, 10146560, 20293120]

約数ペア:

[(1, 20293120), (2, 10146560), (4, 5073280), (5, 4058624), (8, 2536640), (10, 2029312), (16, 1268320), (20, 1014656), (32, 634160), (40, 507328), (64, 317080), (80, 253664), (128, 158540), (160, 126832), (256, 79270), (320, 63416), (512, 39635), (640, 31708), (1280, 15854), (2560, 7927)]