20148055221

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{33287}}^1$

素因数の和:33394

約数の個数: 64

約数和(自身を含む): 34001694720

約数和(自身を除く): 13853639499

約数列:

[1, 3, 7, 19, 21, 37, 41, 57, 111, 123, 133, 259, 287, 399, 703, 777, 779, 861, 1517, 2109, 2337, 4551, 4921, 5453, 10619, 14763, 16359, 28823, 31857, 33287, 86469, 99861, 201761, 233009, 605283, 632453, 699027, 1231619, 1364767, 1897359, 3694857, 4094301, 4427171, 8621333, 9553369, 13281513, 23400761, 25863999, 25930573, 28660107, 50496379, 70202283, 77791719, 151489137, 163805327, 181514011, 353474653, 491415981, 544542033, 959431201, 1060423959, 2878293603, 6716018407, 20148055221]

約数ペア:

[(1, 20148055221), (3, 6716018407), (7, 2878293603), (19, 1060423959), (21, 959431201), (37, 544542033), (41, 491415981), (57, 353474653), (111, 181514011), (123, 163805327), (133, 151489137), (259, 77791719), (287, 70202283), (399, 50496379), (703, 28660107), (777, 25930573), (779, 25863999), (861, 23400761), (1517, 13281513), (2109, 9553369), (2337, 8621333), (4551, 4427171), (4921, 4094301), (5453, 3694857), (10619, 1897359), (14763, 1364767), (16359, 1231619), (28823, 699027), (31857, 632453), (33287, 605283), (86469, 233009), (99861, 201761)]