20984970540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3268687}}^1$

素因数の和:3268806

約数の個数: 48

約数和(自身を含む): 59307075072

約数和(自身を除く): 38322104532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 3210, 6420, 3268687, 6537374, 9806061, 13074748, 16343435, 19612122, 32686870, 39224244, 49030305, 65373740, 98060610, 196121220, 349749509, 699499018, 1049248527, 1398998036, 1748747545, 2098497054, 3497495090, 4196994108, 5246242635, 6994990180, 10492485270, 20984970540]

約数ペア:

[(1, 20984970540), (2, 10492485270), (3, 6994990180), (4, 5246242635), (5, 4196994108), (6, 3497495090), (10, 2098497054), (12, 1748747545), (15, 1398998036), (20, 1049248527), (30, 699499018), (60, 349749509), (107, 196121220), (214, 98060610), (321, 65373740), (428, 49030305), (535, 39224244), (642, 32686870), (1070, 19612122), (1284, 16343435), (1605, 13074748), (2140, 9806061), (3210, 6537374), (6420, 3268687)]