20123762715

素因数分解:

$3^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{44089}}^1$

素因数の和:44143

約数の個数: 120

約数和(自身を含む): 43788777120

約数和(自身を除く): 23665014405

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 27, 35, 45, 49, 63, 69, 81, 105, 115, 135, 147, 161, 189, 207, 245, 315, 345, 405, 441, 483, 567, 621, 735, 805, 945, 1035, 1127, 1323, 1449, 1863, 2205, 2415, 2835, 3105, 3381, 3969, 4347, 5635, 6615, 7245, 9315, 10143, 13041, 16905, 19845, 21735, 30429, 44089, 50715, 65205, 91287, 132267, 152145, 220445, 308623, 396801, 456435, 661335, 925869, 1014047, 1190403, 1543115, 1984005, 2160361, 2777607, 3042141, 3571209, 4629345, 5070235, 5952015, 6481083, 7098329, 8332821, 9126423, 10801805, 13888035, 15210705, 17856045, 19443249, 21294987, 24998463, 27379269, 32405415, 35491645, 41664105, 45632115, 49688303, 58329747, 63884961, 82137807, 97216245, 106474935, 124992315, 136896345, 149064909, 174989241, 191654883, 248441515, 291648735, 319424805, 410689035, 447194727, 574964649, 745324545, 874946205, 958274415, 1341584181, 2235973635, 2874823245, 4024752543, 6707920905, 20123762715]

約数ペア:

[(1, 20123762715), (3, 6707920905), (5, 4024752543), (7, 2874823245), (9, 2235973635), (15, 1341584181), (21, 958274415), (23, 874946205), (27, 745324545), (35, 574964649), (45, 447194727), (49, 410689035), (63, 319424805), (69, 291648735), (81, 248441515), (105, 191654883), (115, 174989241), (135, 149064909), (147, 136896345), (161, 124992315), (189, 106474935), (207, 97216245), (245, 82137807), (315, 63884961), (345, 58329747), (405, 49688303), (441, 45632115), (483, 41664105), (567, 35491645), (621, 32405415), (735, 27379269), (805, 24998463), (945, 21294987), (1035, 19443249), (1127, 17856045), (1323, 15210705), (1449, 13888035), (1863, 10801805), (2205, 9126423), (2415, 8332821), (2835, 7098329), (3105, 6481083), (3381, 5952015), (3969, 5070235), (4347, 4629345), (5635, 3571209), (6615, 3042141), (7245, 2777607), (9315, 2160361), (10143, 1984005), (13041, 1543115), (16905, 1190403), (19845, 1014047), (21735, 925869), (30429, 661335), (44089, 456435), (50715, 396801), (65205, 308623), (91287, 220445), (132267, 152145)]