20099644

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 40158720

約数和(自身を除く): 20059076

約数列:

[1, 2, 4, 17, 19, 34, 38, 47, 68, 76, 94, 188, 323, 331, 646, 662, 799, 893, 1292, 1324, 1598, 1786, 3196, 3572, 5627, 6289, 11254, 12578, 15181, 15557, 22508, 25156, 30362, 31114, 60724, 62228, 106913, 213826, 264469, 295583, 427652, 528938, 591166, 1057876, 1182332, 5024911, 10049822, 20099644]

約数ペア:

[(1, 20099644), (2, 10049822), (4, 5024911), (17, 1182332), (19, 1057876), (34, 591166), (38, 528938), (47, 427652), (68, 295583), (76, 264469), (94, 213826), (188, 106913), (323, 62228), (331, 60724), (646, 31114), (662, 30362), (799, 25156), (893, 22508), (1292, 15557), (1324, 15181), (1598, 12578), (1786, 11254), (3196, 6289), (3572, 5627)]