20789854839

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{461}}^1$

素因数の和:725

約数の個数: 96

約数和(自身を含む): 33902668800

約数和(自身を除く): 13112813961

約数列:

[1, 3, 9, 13, 39, 47, 59, 117, 139, 141, 177, 417, 423, 461, 531, 611, 767, 1251, 1383, 1807, 1833, 2301, 2773, 4149, 5421, 5499, 5993, 6533, 6903, 8201, 8319, 16263, 17979, 19599, 21667, 24603, 24957, 27199, 36049, 53937, 58797, 64079, 65001, 73809, 81597, 84929, 106613, 108147, 192237, 195003, 244791, 254787, 281671, 319839, 324441, 353587, 385447, 576711, 764361, 833027, 845013, 959517, 1060761, 1156341, 1278353, 2499081, 2535039, 3011713, 3182283, 3469023, 3780661, 3835059, 5010811, 7497243, 9035139, 11341983, 11505177, 15032433, 16618589, 27105417, 34025949, 39152269, 45097299, 49148593, 49855767, 117456807, 147445779, 149567301, 177691067, 352370421, 442337337, 533073201, 1599219603, 2309983871, 6929951613, 20789854839]

約数ペア:

[(1, 20789854839), (3, 6929951613), (9, 2309983871), (13, 1599219603), (39, 533073201), (47, 442337337), (59, 352370421), (117, 177691067), (139, 149567301), (141, 147445779), (177, 117456807), (417, 49855767), (423, 49148593), (461, 45097299), (531, 39152269), (611, 34025949), (767, 27105417), (1251, 16618589), (1383, 15032433), (1807, 11505177), (1833, 11341983), (2301, 9035139), (2773, 7497243), (4149, 5010811), (5421, 3835059), (5499, 3780661), (5993, 3469023), (6533, 3182283), (6903, 3011713), (8201, 2535039), (8319, 2499081), (16263, 1278353), (17979, 1156341), (19599, 1060761), (21667, 959517), (24603, 845013), (24957, 833027), (27199, 764361), (36049, 576711), (53937, 385447), (58797, 353587), (64079, 324441), (65001, 319839), (73809, 281671), (81597, 254787), (84929, 244791), (106613, 195003), (108147, 192237)]