20768202

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:468

約数の個数: 96

約数和(自身を含む): 57308160

約数和(自身を除く): 36539958

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 31, 39, 42, 62, 63, 78, 91, 93, 117, 126, 182, 186, 217, 234, 273, 279, 403, 409, 434, 546, 558, 651, 806, 818, 819, 1209, 1227, 1302, 1638, 1953, 2418, 2454, 2821, 2863, 3627, 3681, 3906, 5317, 5642, 5726, 7254, 7362, 8463, 8589, 10634, 12679, 15951, 16926, 17178, 25358, 25389, 25767, 31902, 37219, 38037, 47853, 50778, 51534, 74438, 76074, 88753, 95706, 111657, 114111, 164827, 177506, 223314, 228222, 266259, 329654, 334971, 494481, 532518, 669942, 798777, 988962, 1153789, 1483443, 1597554, 2307578, 2966886, 3461367, 6922734, 10384101, 20768202]

約数ペア:

[(1, 20768202), (2, 10384101), (3, 6922734), (6, 3461367), (7, 2966886), (9, 2307578), (13, 1597554), (14, 1483443), (18, 1153789), (21, 988962), (26, 798777), (31, 669942), (39, 532518), (42, 494481), (62, 334971), (63, 329654), (78, 266259), (91, 228222), (93, 223314), (117, 177506), (126, 164827), (182, 114111), (186, 111657), (217, 95706), (234, 88753), (273, 76074), (279, 74438), (403, 51534), (409, 50778), (434, 47853), (546, 38037), (558, 37219), (651, 31902), (806, 25767), (818, 25389), (819, 25358), (1209, 17178), (1227, 16926), (1302, 15951), (1638, 12679), (1953, 10634), (2418, 8589), (2454, 8463), (2821, 7362), (2863, 7254), (3627, 5726), (3681, 5642), (3906, 5317)]