20029275

素因数分解:

$3^6\times 5^2\times 7^1\times {\mathrm{157}}^1$

素因数の和:192

約数の個数: 84

約数和(自身を含む): 42828112

約数和(自身を除く): 22798837

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 81, 105, 135, 157, 175, 189, 225, 243, 315, 405, 471, 525, 567, 675, 729, 785, 945, 1099, 1215, 1413, 1575, 1701, 2025, 2355, 2835, 3297, 3645, 3925, 4239, 4725, 5103, 5495, 6075, 7065, 8505, 9891, 11775, 12717, 14175, 16485, 18225, 21195, 25515, 27475, 29673, 35325, 38151, 42525, 49455, 63585, 82425, 89019, 105975, 114453, 127575, 148365, 190755, 247275, 267057, 317925, 445095, 572265, 741825, 801171, 953775, 1335285, 2225475, 2861325, 4005855, 6676425, 20029275]

約数ペア:

[(1, 20029275), (3, 6676425), (5, 4005855), (7, 2861325), (9, 2225475), (15, 1335285), (21, 953775), (25, 801171), (27, 741825), (35, 572265), (45, 445095), (63, 317925), (75, 267057), (81, 247275), (105, 190755), (135, 148365), (157, 127575), (175, 114453), (189, 105975), (225, 89019), (243, 82425), (315, 63585), (405, 49455), (471, 42525), (525, 38151), (567, 35325), (675, 29673), (729, 27475), (785, 25515), (945, 21195), (1099, 18225), (1215, 16485), (1413, 14175), (1575, 12717), (1701, 11775), (2025, 9891), (2355, 8505), (2835, 7065), (3297, 6075), (3645, 5495), (3925, 5103), (4239, 4725)]