20165677539

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1\times {\mathrm{1201}}^1$

素因数の和:1668

約数の個数: 64

約数和(自身を含む): 32309760000

約数和(自身を除く): 12144082461

約数列:

[1, 3, 7, 21, 29, 79, 87, 203, 237, 349, 553, 609, 1047, 1201, 1659, 2291, 2443, 3603, 6873, 7329, 8407, 10121, 16037, 25221, 27571, 30363, 34829, 48111, 70847, 82713, 94879, 104487, 192997, 212541, 243803, 284637, 419149, 578991, 664153, 731409, 799559, 1257447, 1992459, 2398677, 2751491, 2934043, 5596913, 8254473, 8802129, 12155321, 16790739, 19260437, 33112771, 36465963, 57781311, 85087247, 99338313, 231789397, 255261741, 695368191, 960270359, 2880811077, 6721892513, 20165677539]

約数ペア:

[(1, 20165677539), (3, 6721892513), (7, 2880811077), (21, 960270359), (29, 695368191), (79, 255261741), (87, 231789397), (203, 99338313), (237, 85087247), (349, 57781311), (553, 36465963), (609, 33112771), (1047, 19260437), (1201, 16790739), (1659, 12155321), (2291, 8802129), (2443, 8254473), (3603, 5596913), (6873, 2934043), (7329, 2751491), (8407, 2398677), (10121, 1992459), (16037, 1257447), (25221, 799559), (27571, 731409), (30363, 664153), (34829, 578991), (48111, 419149), (70847, 284637), (82713, 243803), (94879, 212541), (104487, 192997)]