20121963555

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1013}}^1\times {\mathrm{1277}}^1$

素因数の和:2376

約数の個数: 64

約数和(自身を含む): 34709171328

約数和(自身を除く): 14587207773

約数列:

[1, 3, 5, 15, 17, 51, 61, 85, 183, 255, 305, 915, 1013, 1037, 1277, 3039, 3111, 3831, 5065, 5185, 6385, 15195, 15555, 17221, 19155, 21709, 51663, 61793, 65127, 77897, 86105, 108545, 185379, 233691, 258315, 308965, 325635, 389485, 926895, 1050481, 1168455, 1293601, 1324249, 3151443, 3880803, 3972747, 5252405, 6468005, 6621245, 15757215, 19404015, 19863735, 21991217, 65973651, 78909661, 109956085, 236728983, 329868255, 394548305, 1183644915, 1341464237, 4024392711, 6707321185, 20121963555]

約数ペア:

[(1, 20121963555), (3, 6707321185), (5, 4024392711), (15, 1341464237), (17, 1183644915), (51, 394548305), (61, 329868255), (85, 236728983), (183, 109956085), (255, 78909661), (305, 65973651), (915, 21991217), (1013, 19863735), (1037, 19404015), (1277, 15757215), (3039, 6621245), (3111, 6468005), (3831, 5252405), (5065, 3972747), (5185, 3880803), (6385, 3151443), (15195, 1324249), (15555, 1293601), (17221, 1168455), (19155, 1050481), (21709, 926895), (51663, 389485), (61793, 325635), (65127, 308965), (77897, 258315), (86105, 233691), (108545, 185379)]