20115721815

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{269}}^1\times {\mathrm{101741}}^1$

素因数の和:102032

約数の個数: 48

約数和(自身を含む): 37579425120

約数和(自身を除く): 17463703305

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 269, 735, 807, 1345, 1883, 4035, 5649, 9415, 13181, 28245, 39543, 65905, 101741, 197715, 305223, 508705, 712187, 1526115, 2136561, 3560935, 4985309, 10682805, 14955927, 24926545, 27368329, 74779635, 82104987, 136841645, 191578303, 410524935, 574734909, 957891515, 1341048121, 2873674545, 4023144363, 6705240605, 20115721815]

約数ペア:

[(1, 20115721815), (3, 6705240605), (5, 4023144363), (7, 2873674545), (15, 1341048121), (21, 957891515), (35, 574734909), (49, 410524935), (105, 191578303), (147, 136841645), (245, 82104987), (269, 74779635), (735, 27368329), (807, 24926545), (1345, 14955927), (1883, 10682805), (4035, 4985309), (5649, 3560935), (9415, 2136561), (13181, 1526115), (28245, 712187), (39543, 508705), (65905, 305223), (101741, 197715)]