20199821565

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2143}}^1\times {\mathrm{8161}}^1$

素因数の和:10330

約数の個数: 64

約数和(自身を含む): 40318451712

約数和(自身を除く): 20118630147

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 2143, 6429, 8161, 10715, 15001, 23573, 24483, 32145, 40805, 45003, 57127, 70719, 75005, 89771, 117865, 122415, 165011, 171381, 225015, 269313, 285635, 353595, 448855, 495033, 628397, 825055, 856905, 1346565, 1885191, 2475165, 3141985, 9425955, 17489023, 52467069, 87445115, 122423161, 192379253, 262335345, 367269483, 577137759, 612115805, 961896265, 1346654771, 1836347415, 2885688795, 4039964313, 6733273855, 20199821565]

約数ペア:

[(1, 20199821565), (3, 6733273855), (5, 4039964313), (7, 2885688795), (11, 1836347415), (15, 1346654771), (21, 961896265), (33, 612115805), (35, 577137759), (55, 367269483), (77, 262335345), (105, 192379253), (165, 122423161), (231, 87445115), (385, 52467069), (1155, 17489023), (2143, 9425955), (6429, 3141985), (8161, 2475165), (10715, 1885191), (15001, 1346565), (23573, 856905), (24483, 825055), (32145, 628397), (40805, 495033), (45003, 448855), (57127, 353595), (70719, 285635), (75005, 269313), (89771, 225015), (117865, 171381), (122415, 165011)]