20565702157

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:407

約数の個数: 128

約数和(自身を含む): 29727129600

約数和(自身を除く): 9161427443

約数列:

[1, 7, 11, 13, 31, 47, 59, 77, 91, 143, 217, 239, 329, 341, 403, 413, 517, 611, 649, 767, 1001, 1457, 1673, 1829, 2387, 2629, 2773, 2821, 3107, 3619, 4277, 4433, 4543, 5369, 6721, 7409, 8437, 10199, 11233, 12803, 14101, 16027, 18403, 18941, 19411, 20119, 21749, 23777, 30503, 31031, 34177, 36049, 47047, 51863, 59059, 78631, 81499, 85963, 96317, 98707, 112189, 123563, 132587, 140833, 146029, 155111, 166439, 183313, 208351, 213521, 239239, 252343, 261547, 348223, 396539, 437131, 570493, 601741, 662747, 674219, 864941, 945593, 1022203, 1059487, 1085777, 1117519, 1283191, 1458457, 1606319, 1830829, 2016443, 2437561, 2775773, 3059917, 3830453, 4526899, 4639229, 4808441, 5682703, 6619151, 7290217, 7416409, 7822633, 8615711, 11244233, 12292709, 14115101, 20545157, 26813171, 31688293, 33659087, 39778921, 49795889, 51031519, 60309977, 62509733, 86048963, 94772821, 143816099, 225996727, 267087041, 348571223, 437568131, 663409747, 1581977089, 1869609287, 2937957451, 20565702157]

約数ペア:

[(1, 20565702157), (7, 2937957451), (11, 1869609287), (13, 1581977089), (31, 663409747), (47, 437568131), (59, 348571223), (77, 267087041), (91, 225996727), (143, 143816099), (217, 94772821), (239, 86048963), (329, 62509733), (341, 60309977), (403, 51031519), (413, 49795889), (517, 39778921), (611, 33659087), (649, 31688293), (767, 26813171), (1001, 20545157), (1457, 14115101), (1673, 12292709), (1829, 11244233), (2387, 8615711), (2629, 7822633), (2773, 7416409), (2821, 7290217), (3107, 6619151), (3619, 5682703), (4277, 4808441), (4433, 4639229), (4543, 4526899), (5369, 3830453), (6721, 3059917), (7409, 2775773), (8437, 2437561), (10199, 2016443), (11233, 1830829), (12803, 1606319), (14101, 1458457), (16027, 1283191), (18403, 1117519), (18941, 1085777), (19411, 1059487), (20119, 1022203), (21749, 945593), (23777, 864941), (30503, 674219), (31031, 662747), (34177, 601741), (36049, 570493), (47047, 437131), (51863, 396539), (59059, 348223), (78631, 261547), (81499, 252343), (85963, 239239), (96317, 213521), (98707, 208351), (112189, 183313), (123563, 166439), (132587, 155111), (140833, 146029)]