20038284

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{607}}^1$

素因数の和:755

約数の個数: 72

約数和(自身を含む): 58426368

約数和(自身を除く): 38388084

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 131, 252, 262, 393, 524, 607, 786, 917, 1179, 1214, 1572, 1821, 1834, 2358, 2428, 2751, 3642, 3668, 4249, 4716, 5463, 5502, 7284, 8253, 8498, 10926, 11004, 12747, 16506, 16996, 21852, 25494, 33012, 38241, 50988, 76482, 79517, 152964, 159034, 238551, 318068, 477102, 556619, 715653, 954204, 1113238, 1431306, 1669857, 2226476, 2862612, 3339714, 5009571, 6679428, 10019142, 20038284]

約数ペア:

[(1, 20038284), (2, 10019142), (3, 6679428), (4, 5009571), (6, 3339714), (7, 2862612), (9, 2226476), (12, 1669857), (14, 1431306), (18, 1113238), (21, 954204), (28, 715653), (36, 556619), (42, 477102), (63, 318068), (84, 238551), (126, 159034), (131, 152964), (252, 79517), (262, 76482), (393, 50988), (524, 38241), (607, 33012), (786, 25494), (917, 21852), (1179, 16996), (1214, 16506), (1572, 12747), (1821, 11004), (1834, 10926), (2358, 8498), (2428, 8253), (2751, 7284), (3642, 5502), (3668, 5463), (4249, 4716)]