20512671123

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1867}}^1\times {\mathrm{18041}}^1$

素因数の和:19947

約数の個数: 32

約数和(自身を含む): 32354357760

約数和(自身を除く): 11841686637

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 1867, 5601, 13069, 18041, 39207, 54123, 54143, 126287, 162429, 378861, 379001, 523189, 1137003, 1569567, 3662323, 10986969, 33682547, 101047641, 235777829, 707333487, 976793863, 2930381589, 6837557041, 20512671123]

約数ペア:

[(1, 20512671123), (3, 6837557041), (7, 2930381589), (21, 976793863), (29, 707333487), (87, 235777829), (203, 101047641), (609, 33682547), (1867, 10986969), (5601, 3662323), (13069, 1569567), (18041, 1137003), (39207, 523189), (54123, 379001), (54143, 378861), (126287, 162429)]