20218497607

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1\times {\mathrm{659}}^1$

素因数の和:1076

約数の個数: 64

約数和(自身を含む): 27057254400

約数和(自身を除く): 6838756793

約数列:

[1, 7, 11, 19, 67, 77, 133, 209, 313, 469, 659, 737, 1273, 1463, 2191, 3443, 4613, 5159, 5947, 7249, 8911, 12521, 14003, 20971, 24101, 41629, 44153, 50743, 65417, 87647, 98021, 137731, 146797, 206267, 230681, 309071, 398449, 457919, 485683, 838907, 964117, 1443869, 1614767, 2268937, 2789143, 3399781, 3919073, 4382939, 5872349, 9227977, 13819889, 15882559, 27433511, 30680573, 43109803, 64595839, 96739223, 152018779, 262577891, 301768621, 1064131453, 1838045237, 2888356801, 20218497607]

約数ペア:

[(1, 20218497607), (7, 2888356801), (11, 1838045237), (19, 1064131453), (67, 301768621), (77, 262577891), (133, 152018779), (209, 96739223), (313, 64595839), (469, 43109803), (659, 30680573), (737, 27433511), (1273, 15882559), (1463, 13819889), (2191, 9227977), (3443, 5872349), (4613, 4382939), (5159, 3919073), (5947, 3399781), (7249, 2789143), (8911, 2268937), (12521, 1614767), (14003, 1443869), (20971, 964117), (24101, 838907), (41629, 485683), (44153, 457919), (50743, 398449), (65417, 309071), (87647, 230681), (98021, 206267), (137731, 146797)]