20347819898

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{821603}}^1$

素因数の和:821702

約数の個数: 32

約数和(自身を含む): 36676402560

約数和(自身を除く): 16328582662

約数列:

[1, 2, 7, 14, 29, 58, 61, 122, 203, 406, 427, 854, 1769, 3538, 12383, 24766, 821603, 1643206, 5751221, 11502442, 23826487, 47652974, 50117783, 100235566, 166785409, 333570818, 350824481, 701648962, 1453415707, 2906831414, 10173909949, 20347819898]

約数ペア:

[(1, 20347819898), (2, 10173909949), (7, 2906831414), (14, 1453415707), (29, 701648962), (58, 350824481), (61, 333570818), (122, 166785409), (203, 100235566), (406, 50117783), (427, 47652974), (854, 23826487), (1769, 11502442), (3538, 5751221), (12383, 1643206), (24766, 821603)]