20187208065

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{773}}^1\times {\mathrm{2131}}^1$

素因数の和:2974

約数の個数: 64

約数和(自身を含む): 34851548160

約数和(自身を除く): 14664340095

約数列:

[1, 3, 5, 15, 19, 43, 57, 95, 129, 215, 285, 645, 773, 817, 2131, 2319, 2451, 3865, 4085, 6393, 10655, 11595, 12255, 14687, 31965, 33239, 40489, 44061, 73435, 91633, 99717, 121467, 166195, 202445, 220305, 274899, 458165, 498585, 607335, 631541, 1374495, 1647263, 1741027, 1894623, 3157705, 4941789, 5223081, 8236315, 8705135, 9473115, 24708945, 26115405, 31297997, 70832309, 93893991, 156489985, 212496927, 354161545, 469469955, 1062484635, 1345813871, 4037441613, 6729069355, 20187208065]

約数ペア:

[(1, 20187208065), (3, 6729069355), (5, 4037441613), (15, 1345813871), (19, 1062484635), (43, 469469955), (57, 354161545), (95, 212496927), (129, 156489985), (215, 93893991), (285, 70832309), (645, 31297997), (773, 26115405), (817, 24708945), (2131, 9473115), (2319, 8705135), (2451, 8236315), (3865, 5223081), (4085, 4941789), (6393, 3157705), (10655, 1894623), (11595, 1741027), (12255, 1647263), (14687, 1374495), (31965, 631541), (33239, 607335), (40489, 498585), (44061, 458165), (73435, 274899), (91633, 220305), (99717, 202445), (121467, 166195)]