20172690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:232

約数の個数: 96

約数和(自身を含む): 55598400

約数和(自身を除く): 35425710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 59, 87, 90, 118, 131, 145, 174, 177, 261, 262, 290, 295, 354, 393, 435, 522, 531, 590, 655, 786, 870, 885, 1062, 1179, 1305, 1310, 1711, 1770, 1965, 2358, 2610, 2655, 3422, 3799, 3930, 5133, 5310, 5895, 7598, 7729, 8555, 10266, 11397, 11790, 15399, 15458, 17110, 18995, 22794, 23187, 25665, 30798, 34191, 37990, 38645, 46374, 51330, 56985, 68382, 69561, 76995, 77290, 113970, 115935, 139122, 153990, 170955, 224141, 231870, 341910, 347805, 448282, 672423, 695610, 1120705, 1344846, 2017269, 2241410, 3362115, 4034538, 6724230, 10086345, 20172690]

約数ペア:

[(1, 20172690), (2, 10086345), (3, 6724230), (5, 4034538), (6, 3362115), (9, 2241410), (10, 2017269), (15, 1344846), (18, 1120705), (29, 695610), (30, 672423), (45, 448282), (58, 347805), (59, 341910), (87, 231870), (90, 224141), (118, 170955), (131, 153990), (145, 139122), (174, 115935), (177, 113970), (261, 77290), (262, 76995), (290, 69561), (295, 68382), (354, 56985), (393, 51330), (435, 46374), (522, 38645), (531, 37990), (590, 34191), (655, 30798), (786, 25665), (870, 23187), (885, 22794), (1062, 18995), (1179, 17110), (1305, 15458), (1310, 15399), (1711, 11790), (1770, 11397), (1965, 10266), (2358, 8555), (2610, 7729), (2655, 7598), (3422, 5895), (3799, 5310), (3930, 5133)]