20376331393

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:439

約数の個数: 72

約数和(自身を含む): 25047368640

約数和(自身を除く): 4671037247

約数列:

[1, 11, 17, 29, 71, 121, 187, 283, 289, 319, 493, 781, 1207, 2057, 2059, 3113, 3179, 3509, 4811, 5423, 8207, 8381, 8591, 13277, 20093, 20519, 22649, 34243, 34969, 35003, 52921, 59653, 81787, 90277, 92191, 139519, 146047, 221023, 225709, 249139, 341581, 385033, 582131, 582697, 595051, 899657, 993047, 1014101, 1534709, 2371823, 2431253, 2482799, 3757391, 4235363, 5806877, 6409667, 6545561, 9896227, 9905849, 16881799, 26090053, 41331301, 63875647, 70506337, 72001171, 108964339, 168399433, 286990583, 702632117, 1198607729, 1852393763, 20376331393]

約数ペア:

[(1, 20376331393), (11, 1852393763), (17, 1198607729), (29, 702632117), (71, 286990583), (121, 168399433), (187, 108964339), (283, 72001171), (289, 70506337), (319, 63875647), (493, 41331301), (781, 26090053), (1207, 16881799), (2057, 9905849), (2059, 9896227), (3113, 6545561), (3179, 6409667), (3509, 5806877), (4811, 4235363), (5423, 3757391), (8207, 2482799), (8381, 2431253), (8591, 2371823), (13277, 1534709), (20093, 1014101), (20519, 993047), (22649, 899657), (34243, 595051), (34969, 582697), (35003, 582131), (52921, 385033), (59653, 341581), (81787, 249139), (90277, 225709), (92191, 221023), (139519, 146047)]