20888973635

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{15199}}^1$

素因数の和:15300

約数の個数: 64

約数和(自身を含む): 29942784000

約数和(自身を除く): 9053810365

約数列:

[1, 5, 17, 19, 23, 37, 85, 95, 115, 185, 323, 391, 437, 629, 703, 851, 1615, 1955, 2185, 3145, 3515, 4255, 7429, 11951, 14467, 15199, 16169, 37145, 59755, 72335, 75995, 80845, 258383, 274873, 288781, 349577, 562363, 1291915, 1374365, 1443905, 1747885, 2811815, 4909277, 5942809, 6641963, 9560171, 10684897, 12934349, 24546385, 29714045, 33209815, 47800855, 53424485, 64671745, 112913371, 181643249, 219883933, 245752631, 564566855, 908216245, 1099419665, 1228763155, 4177794727, 20888973635]

約数ペア:

[(1, 20888973635), (5, 4177794727), (17, 1228763155), (19, 1099419665), (23, 908216245), (37, 564566855), (85, 245752631), (95, 219883933), (115, 181643249), (185, 112913371), (323, 64671745), (391, 53424485), (437, 47800855), (629, 33209815), (703, 29714045), (851, 24546385), (1615, 12934349), (1955, 10684897), (2185, 9560171), (3145, 6641963), (3515, 5942809), (4255, 4909277), (7429, 2811815), (11951, 1747885), (14467, 1443905), (15199, 1374365), (16169, 1291915), (37145, 562363), (59755, 349577), (72335, 288781), (75995, 274873), (80845, 258383)]