20565295304

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{283}}^1\times {\mathrm{383}}^1\times {\mathrm{641}}^1$

素因数の和:1350

約数の個数: 64

約数和(自身を含む): 39907952640

約数和(自身を除く): 19342657336

約数列:

[1, 2, 4, 8, 37, 74, 148, 283, 296, 383, 566, 641, 766, 1132, 1282, 1532, 2264, 2564, 3064, 5128, 10471, 14171, 20942, 23717, 28342, 41884, 47434, 56684, 83768, 94868, 108389, 113368, 181403, 189736, 216778, 245503, 362806, 433556, 491006, 725612, 867112, 982012, 1451224, 1964024, 4010393, 6711911, 8020786, 9083611, 13423822, 16041572, 18167222, 26847644, 32083144, 36334444, 53695288, 69477349, 72668888, 138954698, 277909396, 555818792, 2570661913, 5141323826, 10282647652, 20565295304]

約数ペア:

[(1, 20565295304), (2, 10282647652), (4, 5141323826), (8, 2570661913), (37, 555818792), (74, 277909396), (148, 138954698), (283, 72668888), (296, 69477349), (383, 53695288), (566, 36334444), (641, 32083144), (766, 26847644), (1132, 18167222), (1282, 16041572), (1532, 13423822), (2264, 9083611), (2564, 8020786), (3064, 6711911), (5128, 4010393), (10471, 1964024), (14171, 1451224), (20942, 982012), (23717, 867112), (28342, 725612), (41884, 491006), (47434, 433556), (56684, 362806), (83768, 245503), (94868, 216778), (108389, 189736), (113368, 181403)]