20988948

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{751}}^1$

素因数の和:912

約数の個数: 48

約数和(自身を含む): 52303104

約数和(自身を除く): 31314156

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 137, 204, 274, 411, 548, 751, 822, 1502, 1644, 2253, 2329, 3004, 4506, 4658, 6987, 9012, 9316, 12767, 13974, 25534, 27948, 38301, 51068, 76602, 102887, 153204, 205774, 308661, 411548, 617322, 1234644, 1749079, 3498158, 5247237, 6996316, 10494474, 20988948]

約数ペア:

[(1, 20988948), (2, 10494474), (3, 6996316), (4, 5247237), (6, 3498158), (12, 1749079), (17, 1234644), (34, 617322), (51, 411548), (68, 308661), (102, 205774), (137, 153204), (204, 102887), (274, 76602), (411, 51068), (548, 38301), (751, 27948), (822, 25534), (1502, 13974), (1644, 12767), (2253, 9316), (2329, 9012), (3004, 6987), (4506, 4658)]